{"id":2308,"date":"2026-05-29T21:47:53","date_gmt":"2026-05-29T21:47:53","guid":{"rendered":"https:\/\/vkrastev1blog.com\/?p=2308"},"modified":"2026-05-29T21:48:41","modified_gmt":"2026-05-29T21:48:41","slug":"questions-and-informations-prepairing-for-java-developer-job-interview","status":"publish","type":"post","link":"https:\/\/vkrastev1blog.com\/2026\/05\/29\/questions-and-informations-prepairing-for-java-developer-job-interview\/","title":{"rendered":"\u0395\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03c0\u03c1\u03bf\u03b5\u03c4\u03bf\u03b9\u03bc\u03b1\u03c3\u03af\u03b1 \u03b3\u03b9\u03b1 \u03c3\u03c5\u03bd\u03ad\u03bd\u03c4\u03b5\u03c5\u03be\u03b7 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 Java Developer"},"content":{"rendered":"\n

\u03a0\u03bf\u03b9\u03b5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03b9 \u03b1\u03c1\u03c7\u03ad\u03c2 SOLID;<\/p>\n\n\n\n

\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u0391\u03c1\u03c7\u03ae \u03c4\u03b7\u03c2 \u0395\u03bd\u03b9\u03b1\u03af\u03b1\u03c2 \u0395\u03c5\u03b8\u03cd\u03bd\u03b7\u03c2 (SRP):<\/p>\n\n\n\n

\u039c\u03b9\u03b1 \u03c4\u03ac\u03be\u03b7 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03cc\u03bd\u03bf \u03bc\u03af\u03b1 \u03b5\u03c5\u03b8\u03cd\u03bd\u03b7.
\u0398\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03cc\u03bd\u03bf \u03ad\u03bd\u03b1\u03bd \u03bb\u03cc\u03b3\u03bf \u03bd\u03b1 \u03b1\u03bb\u03bb\u03ac\u03be\u03b5\u03b9.
\u03a4\u03b1 \u03bf\u03c6\u03ad\u03bb\u03b7 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd \u03b5\u03c5\u03ba\u03bf\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae, \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7 \u03c3\u03cd\u03b6\u03b5\u03c5\u03be\u03b7 \u03ba\u03b1\u03b9 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03bf\u03c1\u03b3\u03ac\u03bd\u03c9\u03c3\u03b7.
\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1:<\/p>\n\n\n\n

\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n

\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03c4\u03ac\u03be\u03b7 \u0392\u03b9\u03b2\u03bb\u03af\u03bf {
\u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03cc \u03cc\u03bd\u03bf\u03bc\u03b1 \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03bf\u03c3\u03b5\u03b9\u03c1\u03ac\u03c2;
\u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03cc\u03c2 \u03c3\u03c5\u03b3\u03b3\u03c1\u03b1\u03c6\u03ad\u03b1\u03c2 \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03bf\u03c3\u03b5\u03b9\u03c1\u03ce\u03bd;
\u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03cc \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03bf\u03c3\u03b5\u03b9\u03c1\u03ac\u03c2.
\/\/ \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2, \u03bb\u03ae\u03c0\u03c4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c1\u03c5\u03b8\u03bc\u03b9\u03c3\u03c4\u03ad\u03c2
}<\/p>\n\n\n\n

\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b1\u03c1\u03c7\u03ae \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03bf\u03cd-\u03ba\u03bb\u03b5\u03b9\u03c3\u03c4\u03bf\u03cd (OCP):<\/p>\n\n\n\n

\u039f\u03b9 \u03bf\u03bd\u03c4\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03b9\u03ba\u03bf\u03cd (\u03ba\u03bb\u03ac\u03c3\u03b5\u03b9\u03c2, \u03b5\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2, \u03c3\u03c5\u03bd\u03b1\u03c1\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2) \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03b5\u03c0\u03ad\u03ba\u03c4\u03b1\u03c3\u03b7 \u03b1\u03bb\u03bb\u03ac \u03ba\u03bb\u03b5\u03b9\u03c3\u03c4\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03c1\u03bf\u03c0\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7.
\u0395\u03c0\u03b9\u03c4\u03b5\u03cd\u03be\u03c4\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ad\u03c2, \u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b5\u03c2 \u03ba\u03bb\u03ac\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03bb\u03b7\u03c1\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1.
\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1:
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n

\u03a3\u03c7\u03ae\u03bc\u03b1 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 {
\u03b4\u03b9\u03c0\u03bb\u03ae \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae();
}
\u0397 \u03ba\u03bb\u03ac\u03c3\u03b7 Circle \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03b5\u03af Shape { \/* \u03c5\u03bb\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \/ } \u03ba\u03bb\u03ac\u03c3\u03b7 Rectangle \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03b5\u03af Shape { \/<\/em> \u03c5\u03bb\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 *\/ }<\/p>\n\n\n\n

\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u0391\u03c1\u03c7\u03ae \u03a5\u03c0\u03bf\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 Liskov (LSP):<\/p>\n\n\n\n

\u039f\u03b9 \u03c5\u03c0\u03bf\u03c4\u03cd\u03c0\u03bf\u03b9 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03b1\u03b8\u03bf\u03cd\u03bd \u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03b2\u03b1\u03c3\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5\u03c2 \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03b1\u03bb\u03bb\u03bf\u03b9\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03bf\u03c1\u03b8\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03bf\u03c2.
\u0391\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af \u03c4\u03b7 \u03c3\u03c7\u03ad\u03c3\u03b7 \u00ab\u03b5\u03af\u03bd\u03b1\u03b9-\u03b1\u00bb.
\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1:
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n

class Bird { \/* \u03ba\u03bf\u03b9\u03bd\u03ae \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03c0\u03c4\u03b7\u03bd\u03ce\u03bd \/ } class Sparrow extends Bird { \/<\/em> \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03c3\u03c0\u03bf\u03c5\u03c1\u03b3\u03af\u03c4\u03b9 *\/ }<\/p>\n\n\n\n

\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b1\u03c1\u03c7\u03ae \u03b4\u03b9\u03b1\u03c7\u03c9\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 (ISP):<\/p>\n\n\n\n

\u039f\u03b9 \u03c0\u03b5\u03bb\u03ac\u03c4\u03b5\u03c2 \u03b4\u03b5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03b3\u03ba\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03be\u03b1\u03c1\u03c4\u03ce\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd.
\u0394\u03b9\u03b1\u03c7\u03c9\u03c1\u03af\u03c3\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b5\u03c2 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ad\u03c2 \u03c3\u03b5 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2, \u03c0\u03b9\u03bf \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b5\u03c2.
\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1:
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n

\u0395\u03c1\u03b3\u03b1\u03b6\u03cc\u03bc\u03b5\u03bd\u03bf\u03c2 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 {
void work();
}
\u03b4\u03b9\u03b1\u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03c4\u03c1\u03ce\u03b3\u03c9\u03bd {
void eat();
}
class Robot implements Worker { \/* \u03c5\u03bb\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 *\/ }<\/p>\n\n\n\n

\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u0391\u03c1\u03c7\u03ae \u0391\u03bd\u03c4\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae\u03c2 \u0395\u03be\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7\u03c2 (DIP):<\/p>\n\n\n\n

\u039f\u03b9 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2 \u03c5\u03c8\u03b7\u03bb\u03bf\u03cd \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5 \u03b4\u03b5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03be\u03b1\u03c1\u03c4\u03ce\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2 \u03c7\u03b1\u03bc\u03b7\u03bb\u03bf\u03cd \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5. \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03b4\u03cd\u03bf \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03be\u03b1\u03c1\u03c4\u03ce\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b1\u03c6\u03b1\u03b9\u03c1\u03ad\u03c3\u03b5\u03b9\u03c2.
\u039f\u03b9 \u03b1\u03c6\u03b1\u03b9\u03c1\u03ad\u03c3\u03b5\u03b9\u03c2 \u03b4\u03b5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03be\u03b1\u03c1\u03c4\u03ce\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03ad\u03c1\u03b5\u03b9\u03b5\u03c2. \u03bf\u03b9 \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03ad\u03c1\u03b5\u03b9\u03b5\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03be\u03b1\u03c1\u03c4\u03ce\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b1\u03c6\u03b1\u03b9\u03c1\u03ad\u03c3\u03b5\u03b9\u03c2.<\/p>\n\n\n\n

\/\/ \u0391\u03c6\u03b1\u03af\u03c1\u03b5\u03c3\u03b7
\u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae MessageSender {
void sendMessage(\u039c\u03ae\u03bd\u03c5\u03bc\u03b1 \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03bf\u03c3\u03b5\u03b9\u03c1\u03ac\u03c2);
}<\/p>\n\n\n\n

\/\/ \u039c\u03bf\u03bd\u03ac\u03b4\u03b1 \u03c5\u03c8\u03b7\u03bb\u03bf\u03cd \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5
\u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b1 \u03b5\u03b9\u03b4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c9\u03bd \u03c4\u03ac\u03be\u03b7\u03c2 {
\u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03cc MessageSender messageSender;<\/p>\n\n\n

\n\t
\n\t\t
\n\t\t\t\n
\n
public NotificationService(MessageSender messageSender) {<\/div>
    this.messageSender = messageSender;<\/div>
}<\/div>
<\/div>
public void send(String message) {<\/div>
    messageSender.sendMessage(message);<\/div>
}<\/div><\/code><\/pre>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n
}<\/p>\n\n\n\n
\/\/ \u039c\u03bf\u03bd\u03ac\u03b4\u03b1 \u03c7\u03b1\u03bc\u03b7\u03bb\u03bf\u03cd \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5
\u03ba\u03bb\u03ac\u03c3\u03b7 EmailSender \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03b5\u03af MessageSender {
@\u039a\u03b1\u03c4\u03b1\u03c0\u03b1\u03c4\u03ce
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf \u03ba\u03b5\u03bd\u03cc sendMessage(\u039c\u03ae\u03bd\u03c5\u03bc\u03b1 \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03bf\u03c3\u03b5\u03b9\u03c1\u03ac\u03c2) {
System.out.println(“\u0391\u03c0\u03bf\u03c3\u03c4\u03bf\u03bb\u03ae email: ” + \u03bc\u03ae\u03bd\u03c5\u03bc\u03b1);
}
}<\/p>\n\n\n\n
\/\/ \u039c\u03b9\u03b1 \u03ac\u03bb\u03bb\u03b7 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ae \u03bc\u03bf\u03bd\u03ac\u03b4\u03b1 \u03c7\u03b1\u03bc\u03b7\u03bb\u03bf\u03cd \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5
\u03ba\u03bb\u03ac\u03c3\u03b7 SmsSender \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03b5\u03af MessageSender {
@\u039a\u03b1\u03c4\u03b1\u03c0\u03b1\u03c4\u03ce
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf \u03ba\u03b5\u03bd\u03cc sendMessage(\u039c\u03ae\u03bd\u03c5\u03bc\u03b1 \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03bf\u03c3\u03b5\u03b9\u03c1\u03ac\u03c2) {
System.out.println(“\u0391\u03c0\u03bf\u03c3\u03c4\u03bf\u03bb\u03ae SMS: ” + \u03bc\u03ae\u03bd\u03c5\u03bc\u03b1);
}
}<\/p>\n\n\n\n
\/\/ \u039a\u03cd\u03c1\u03b9\u03b1 \u03c4\u03ac\u03be\u03b7
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03c4\u03ac\u03be\u03b7 \u039a\u03cd\u03c1\u03b9\u03b1 {
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03cc \u03ba\u03b5\u03bd\u03cc main(String[] args) {
\/\/ \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf EmailSender
MessageSender emailSender = new EmailSender();
NotificationService notificationService1 = new NotificationService(emailSender);
notificationService1.send(“\u0393\u03b5\u03b9\u03b1 \u03c3\u03b1\u03c2 \u03bc\u03ad\u03c3\u03c9 email!”);<\/p>\n\n\n\n
    \/\/ Use SmsSender\n    MessageSender smsSender = new SmsSender();\n    NotificationService notificationService2 = new NotificationService(smsSender);\n    notificationService2.send("Hello via SMS!");\n}<\/code><\/pre>\n\n\n\n
}<\/p>\n\n\n\n
\u0397 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae MessageSender \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03b5\u03cd\u03b5\u03b9 \u03c9\u03c2 \u03b1\u03c6\u03b1\u03af\u03c1\u03b5\u03c3\u03b7.
\u0397 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b1 NotificationService \u03c4\u03b7\u03c2 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b1\u03c2 \u03c5\u03c8\u03b7\u03bb\u03bf\u03cd \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5 \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ae\u03bd \u03c4\u03b7\u03bd \u03b1\u03c6\u03b1\u03af\u03c1\u03b5\u03c3\u03b7 \u03b1\u03bd\u03c4\u03af \u03b3\u03b9\u03b1 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03b9\u03c2.
\u039f\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ad\u03c2 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2 \u03c7\u03b1\u03bc\u03b7\u03bb\u03bf\u03cd \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5 \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf EmailSender \u03ba\u03b1\u03b9 \u03c4\u03bf SmsSender \u03b5\u03be\u03b1\u03c1\u03c4\u03ce\u03bd\u03c4\u03b1\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03c6\u03b1\u03af\u03c1\u03b5\u03c3\u03b7 \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae MessageSender.<\/p>\n\n\n\n
\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 SQL<\/p>\n\n\n\n
\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u039a\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7;
\u0397 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03cc\u03bc\u03b7\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03c3\u03c7\u03b5\u03c3\u03b9\u03b1\u03ba\u03ae \u03b2\u03ac\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03be\u03ac\u03bb\u03b5\u03b9\u03c8\u03b7 \u03b1\u03bd\u03c9\u03bc\u03b1\u03bb\u03b9\u03ce\u03bd \u03cc\u03c0\u03c9\u03c2 \u03bf \u03c0\u03bb\u03b5\u03bf\u03bd\u03b1\u03c3\u03bc\u03cc\u03c2.
\u0394\u03b9\u03b1\u03c3\u03c0\u03ac \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf\u03c5\u03c2, \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03bf\u03c5\u03c2 \u03c0\u03af\u03bd\u03b1\u03ba\u03b5\u03c2 \u03c3\u03b5 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf\u03c5\u03c2, \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03c3\u03c7\u03ad\u03c3\u03b5\u03b9\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.
\u0393\u03b9\u03b1\u03c4\u03af \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ae \u03b7 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7;
\u039c\u03b5\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03bf\u03bd \u03c0\u03bb\u03b5\u03bf\u03bd\u03b1\u03c3\u03bc\u03cc: \u0394\u03b9\u03b1\u03c7\u03c9\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03b5 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf\u03c5\u03c2 \u03c0\u03af\u03bd\u03b1\u03ba\u03b5\u03c2, \u03b1\u03c0\u03bf\u03c6\u03b5\u03cd\u03b3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7 \u03c4\u03c9\u03bd \u03af\u03b4\u03b9\u03c9\u03bd \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03b9\u03ce\u03bd \u03c0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03c6\u03bf\u03c1\u03ad\u03c2.
\u0392\u03b5\u03bb\u03c4\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03b5\u03c1\u03c9\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2: \u039f\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf\u03b9 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03bf\u03b9 \u03c0\u03af\u03bd\u03b1\u03ba\u03b5\u03c2 \u03bf\u03b4\u03b7\u03b3\u03bf\u03cd\u03bd \u03c3\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b5\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7 \u03b5\u03c1\u03c9\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2.
\u0395\u03bb\u03b1\u03c7\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03b9\u03c2 \u03b1\u03bd\u03c9\u03bc\u03b1\u03bb\u03af\u03b5\u03c2 \u03b5\u03bd\u03b7\u03bc\u03ad\u03c1\u03c9\u03c3\u03b7\u03c2: \u039f\u03b9 \u03b5\u03bd\u03b7\u03bc\u03b5\u03c1\u03ce\u03c3\u03b5\u03b9\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b3\u03af\u03bd\u03bf\u03c5\u03bd \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03b5\u03c0\u03b7\u03c1\u03b5\u03b1\u03c3\u03c4\u03bf\u03cd\u03bd \u03ac\u03bb\u03bb\u03b5\u03c2 \u03b5\u03b3\u03b3\u03c1\u03b1\u03c6\u03ad\u03c2.
\u0395\u03bd\u03b9\u03c3\u03c7\u03cd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd: \u0395\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c0\u03ae \u03ba\u03b1\u03b9 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1.
\u03a3\u03b5\u03bd\u03ac\u03c1\u03b9\u03b1 \u03bf\u03bc\u03b1\u03bb\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2:
\u0391\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd: \u0391\u03c0\u03bf\u03c4\u03c1\u03ad\u03c8\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03c3\u03c5\u03bd\u03ad\u03c0\u03b5\u03b9\u03b5\u03c2 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03b5\u03bd\u03b7\u03bc\u03ad\u03c1\u03c9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd (\u03c0.\u03c7. \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03b7\u03bb\u03b9\u03ba\u03af\u03b1\u03c2 \u03c0\u03b5\u03bb\u03b1\u03c4\u03ce\u03bd).
\u0391\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7: \u0391\u03c0\u03bb\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c0\u03bf\u03bb\u03cd\u03c0\u03bb\u03bf\u03ba\u03b1 \u03b5\u03c1\u03c9\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b1\u03bd\u03b1\u03bb\u03cd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1.
\u0392\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2: \u0395\u03be\u03b1\u03bb\u03b5\u03af\u03c8\u03c4\u03b5 \u03c4\u03bf\u03bd \u03c0\u03b5\u03c1\u03b9\u03c4\u03c4\u03cc \u03c0\u03bb\u03b5\u03bf\u03bd\u03b1\u03c3\u03bc\u03cc \u03b3\u03b9\u03b1 \u03b5\u03be\u03bf\u03b9\u03ba\u03bf\u03bd\u03cc\u03bc\u03b7\u03c3\u03b7 \u03c7\u03ce\u03c1\u03bf\u03c5.<\/p>\n\n\n\n
\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03bc\u03bf\u03bd\u03cc\u03bb\u03b9\u03b8\u03bf \u03c4\u03b7\u03c2 Microservices;<\/p>\n\n\n\n
\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03bf\u03bd\u03cc\u03bb\u03b9\u03b8\u03bf\u03c2;<\/p>\n\n\n\n
\u039c\u03b9\u03b1 \u03bc\u03bf\u03bd\u03bf\u03bb\u03b9\u03b8\u03b9\u03ba\u03ae \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03b5\u03bd\u03b9\u03b1\u03af\u03b1, \u03b5\u03bd\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b7 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b1. \u03a3\u03c5\u03bd\u03b4\u03ad\u03b5\u03b9 \u03c3\u03c4\u03b5\u03bd\u03ac \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 (\u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd \u03c7\u03c1\u03ae\u03c3\u03c4\u03b7, \u03c4\u03b7 \u03b2\u03ac\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03b4\u03b9\u03b1\u03ba\u03bf\u03bc\u03b9\u03c3\u03c4\u03ae) \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03b2\u03ac\u03c3\u03b7 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1.
\u03a6\u03cc\u03bd\u03c4\u03b1:
\u0395\u03cd\u03ba\u03bf\u03bb\u03b7 \u03b1\u03bd\u03ac\u03c0\u03c4\u03c5\u03be\u03b7: \u0394\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03cc\u03c4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03bc\u03cc\u03bd\u03bf \u03b5\u03ba\u03c4\u03b5\u03bb\u03ad\u03c3\u03b9\u03bc\u03bf \u03b1\u03c1\u03c7\u03b5\u03af\u03bf \u03ae \u03ba\u03b1\u03c4\u03ac\u03bb\u03bf\u03b3\u03bf\u03c2, \u03b7 \u03b1\u03bd\u03ac\u03c0\u03c4\u03c5\u03be\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03bb\u03ae.
\u03a4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03b1\u03bd\u03ac\u03c0\u03c4\u03c5\u03be\u03b7\u03c2: \u0391\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03ae \u03c4\u03b7\u03c2 \u03b6\u03c9\u03ae\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03ad\u03c1\u03b3\u03bf\u03c5, \u03bf\u03b9 \u03bc\u03bf\u03bd\u03cc\u03bb\u03b9\u03b8\u03bf\u03b9 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03c5\u03bd \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b7 \u03b1\u03bd\u03ac\u03c0\u03c4\u03c5\u03be\u03b7 \u03bb\u03cc\u03b3\u03c9 \u03c4\u03b7\u03c2 \u03b1\u03c0\u03bb\u03cc\u03c4\u03b7\u03c4\u03ac\u03c2 \u03c4\u03bf\u03c5\u03c2.
\u0391\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7: \u039f \u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03cc\u03c2 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c7\u03b5\u03b9\u03c1\u03b9\u03c3\u03c4\u03b5\u03af \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b5\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b5\u03c2.<\/p>\n\n\n\n
\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03b9 Microservices;<\/p>\n\n\n\n
\u039f\u03b9 \u03bc\u03b9\u03ba\u03c1\u03bf\u03cb\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b5\u03c2 \u03b1\u03bd\u03b1\u03bb\u03cd\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03c3\u03b5 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03bd\u03b1\u03c0\u03c4\u03c5\u03c7\u03b8\u03bf\u03cd\u03bd \u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b1. \u039a\u03ac\u03b8\u03b5 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b1 \u03b5\u03c3\u03c4\u03b9\u03ac\u03b6\u03b5\u03b9 \u03c3\u03b5 \u03ad\u03bd\u03b1\u03bd \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03c4\u03bf\u03bc\u03ad\u03b1.
\u03a6\u03cc\u03bd\u03c4\u03b1:
\u0395\u03c0\u03b5\u03ba\u03c4\u03b1\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1: \u039f\u03b9 \u03bc\u03b9\u03ba\u03c1\u03bf\u03cb\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b5\u03c2 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b7 \u03ba\u03bb\u03b9\u03bc\u03ac\u03ba\u03c9\u03c3\u03b7 \u03bc\u03b5\u03bc\u03bf\u03bd\u03c9\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03c9\u03bd.
\u0395\u03c5\u03b5\u03bb\u03b9\u03be\u03af\u03b1: \u039f\u03b9 \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03bf\u03c5\u03bd \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b1.
\u0391\u03c0\u03bf\u03bc\u03cc\u03bd\u03c9\u03c3\u03b7: \u039f\u03b9 \u03b2\u03bb\u03ac\u03b2\u03b5\u03c2 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b1 \u03b4\u03b5\u03bd \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03ac\u03bb\u03bb\u03b5\u03c2.
\u03a0\u03c1\u03bf\u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2:
\u03a0\u03bf\u03bb\u03c5\u03c0\u03bb\u03bf\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1: \u0397 \u03b4\u03b9\u03b1\u03c7\u03b5\u03af\u03c1\u03b9\u03c3\u03b7 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ce\u03bd \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03b9\u03ce\u03bd \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03b9\u03c3\u03c7\u03c5\u03c1\u03ae \u03b5\u03bd\u03bf\u03c1\u03c7\u03ae\u03c3\u03c4\u03c1\u03c9\u03c3\u03b7.
\u0395\u03c0\u03b9\u03b2\u03ac\u03c1\u03c5\u03bd\u03c3\u03b7 \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5: \u0397 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03b9\u03ce\u03bd \u03b5\u03b9\u03c3\u03ac\u03b3\u03b5\u03b9 \u03bb\u03b1\u03bd\u03b8\u03ac\u03bd\u03bf\u03c5\u03c3\u03b1 \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7.
\u03a0\u03bf\u03bb\u03c5\u03c0\u03bb\u03bf\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b1\u03bd\u03ac\u03c0\u03c4\u03c5\u03be\u03b7\u03c2: \u039f \u03c3\u03c5\u03bd\u03c4\u03bf\u03bd\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c4\u03c9\u03bd \u03b5\u03bd\u03b7\u03bc\u03b5\u03c1\u03ce\u03c3\u03b5\u03c9\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03b9\u03ce\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03cd\u03c3\u03ba\u03bf\u03bb\u03bf\u03c2.<\/p>\n\n\n\n
\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf \u03a0\u03bf\u03bb\u03c5\u03bc\u03bf\u03c1\u03c6\u03b9\u03c3\u03bc\u03cc\u03c2;<\/p>\n\n\n\n
\u03a0\u03b1\u03c1\u03ac\u03ba\u03b1\u03bc\u03c8\u03b7 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5:
\u038c\u03c4\u03b1\u03bd \u03bc\u03b9\u03b1 \u03c5\u03c0\u03bf\u03ba\u03bb\u03ac\u03c3\u03b7 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b7 \u03c5\u03bb\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03bc\u03b9\u03b1 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03b9 \u03ae\u03b4\u03b7 \u03bf\u03c1\u03b9\u03c3\u03c4\u03b5\u03af \u03c3\u03c4\u03b7\u03bd \u03c5\u03c0\u03b5\u03c1\u03ba\u03bb\u03ac\u03c3\u03b7 \u03c4\u03b7\u03c2.<\/p>\n\n\n\n
\u03a5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5:
\u038c\u03c4\u03b1\u03bd \u03bc\u03b9\u03b1 \u03ba\u03bb\u03ac\u03c3\u03b7 \u03ad\u03c7\u03b5\u03b9 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ad\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03cc\u03bd\u03bf\u03bc\u03b1 \u03b1\u03bb\u03bb\u03ac \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03c4\u03c1\u03bf\u03c5\u03c2 (\u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03cc\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2 \u03ae \u03c4\u03cd\u03c0\u03bf\u03b9 \u03bf\u03c1\u03b9\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd).<\/p>\n\n\n\n
\u03a4\u03b9 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03bf\u03b9 \u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03bf\u03af \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2;<\/p>\n\n\n\n
–\u039f\u03b9 \u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03bf\u03af \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b5\u03c2 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ae \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ad\u03c2 \u03ba\u03bb\u03ac\u03c3\u03b5\u03b9\u03c2.
\u0391\u03c5\u03c4\u03ad\u03c2 \u03bf\u03b9 \u03ba\u03bb\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03bf\u03c5\u03bd \u03bc\u03cc\u03bd\u03bf \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2 \u03ae \u03bc\u03ad\u03bb\u03b7.<\/p>\n\n\n\n
–\u0391\u03c0\u03bf\u03c6\u03c5\u03b3\u03ae \u03c5\u03c0\u03bf\u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b1\u03c2<\/p>\n\n\n\n
— \u0391\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03af\u03b1 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ae:
\u039f\u03b9 \u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03bf\u03af \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03b8\u03b5\u03c3\u03b7 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ae, \u03cc\u03c0\u03bf\u03c5 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf\u03b9 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2 \u03ba\u03b1\u03bb\u03bf\u03cd\u03bd \u03ad\u03bd\u03b1\u03bd \u03ba\u03bf\u03b9\u03bd\u03cc \u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03cc \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ae.<\/p>\n\n\n\n
— \u039c\u03bf\u03c4\u03af\u03b2\u03bf Singleton<\/p>\n\n\n\n
\u03a3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03b7\u03bd JVM<\/p>\n\n\n\n
–\u03a3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae:
\u038c\u03c4\u03b1\u03bd \u03bc\u03b5\u03c4\u03b1\u03b3\u03bb\u03c9\u03c4\u03c4\u03af\u03b6\u03b5\u03c4\u03b5 \u03ad\u03bd\u03b1 \u03b1\u03c1\u03c7\u03b5\u03af\u03bf .java, \u03bf \u03bc\u03b5\u03c4\u03b1\u03b3\u03bb\u03c9\u03c4\u03c4\u03b9\u03c3\u03c4\u03ae\u03c2 Java \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03b1\u03c1\u03c7\u03b5\u03af\u03b1 .class \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03bf\u03c5\u03bd bytecode (\u03b5\u03bd\u03b4\u03b9\u03ac\u03bc\u03b5\u03c3\u03b7 \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7).
\u03a4\u03bf Bytecode \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03bf \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03bb\u03b1\u03c4\u03c6\u03cc\u03c1\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c4\u03c1\u03ad\u03be\u03b5\u03b9 \u03c3\u03b5 \u03bf\u03c0\u03bf\u03b9\u03bf\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03bc\u03b5 \u03c3\u03c5\u03bc\u03b2\u03b1\u03c4\u03cc JVM.
— \u03a5\u03c0\u03bf\u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 \u03ba\u03bb\u03ac\u03c3\u03b7\u03c2:
\u03a5\u03c0\u03b5\u03cd\u03b8\u03c5\u03bd\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7 \u03c4\u03ac\u03be\u03b5\u03c9\u03bd \u03c3\u03c4\u03b7 \u03bc\u03bd\u03ae\u03bc\u03b7.
\u0394\u03b9\u03b1\u03b2\u03ac\u03b6\u03b5\u03b9 \u03b1\u03c1\u03c7\u03b5\u03af\u03b1 .class, \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03b4\u03c5\u03b1\u03b4\u03b9\u03ba\u03ac \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03b8\u03b7\u03ba\u03b5\u03cd\u03b5\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03bc\u03b5\u03b8\u03cc\u03b4\u03c9\u03bd.
\u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03ad\u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf Class \u03c0\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03cd\u03b5\u03b9 \u03c4\u03b7 \u03c6\u03bf\u03c1\u03c4\u03c9\u03bc\u03ad\u03bd\u03b7 \u03ba\u03bb\u03ac\u03c3\u03b7 \u03c3\u03c4\u03b7 \u03bc\u03bd\u03ae\u03bc\u03b7 \u03c3\u03c9\u03c1\u03bf\u03cd.
\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1: Student s1 = new Student(); \u039a\u03bb\u03ac\u03c3\u03b7 c1 = s1.getClass();
–\u03a3\u03cd\u03bd\u03b4\u03b5\u03c3\u03bc\u03bf\u03c2:
\u0391\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03c1\u03af\u03b1 \u03b2\u03ae\u03bc\u03b1\u03c4\u03b1:
\u0395\u03c0\u03b1\u03bb\u03ae\u03b8\u03b5\u03c5\u03c3\u03b7: \u0395\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7\u03bd \u03bf\u03c1\u03b8\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03b1\u03c1\u03c7\u03b5\u03af\u03bf\u03c5 .class.
\u03a0\u03c1\u03bf\u03b5\u03c4\u03bf\u03b9\u03bc\u03b1\u03c3\u03af\u03b1: \u0395\u03ba\u03c7\u03c9\u03c1\u03b5\u03af \u03bc\u03bd\u03ae\u03bc\u03b7 \u03b3\u03b9\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03ba\u03bb\u03ac\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03b5\u03c4\u03bf\u03b9\u03bc\u03ac\u03b6\u03b5\u03b9.
\u0391\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 (\u03c0\u03c1\u03bf\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae): \u0395\u03c0\u03b9\u03bb\u03cd\u03b5\u03b9 \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03b9\u03ba\u03ad\u03c2 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03c3\u03b5 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03ba\u03bb\u03ac\u03c3\u03b5\u03b9\u03c2 \u03ae \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2.
— \u0391\u03c1\u03c7\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7:
\u0395\u03ba\u03c4\u03b5\u03bb\u03b5\u03af \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c1\u03c7\u03b9\u03ba\u03bf\u03c0\u03bf\u03b9\u03b7\u03c4\u03ad\u03c2 (\u03c0.\u03c7. \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ac \u03bc\u03c0\u03bb\u03bf\u03ba) \u03ba\u03b1\u03b9 \u03b1\u03c1\u03c7\u03b9\u03ba\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2.
\u039f\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03c3\u03c4\u03b9\u03b3\u03bc\u03b9\u03cc\u03c4\u03c5\u03c0\u03bf\u03c5 \u03b1\u03c1\u03c7\u03b9\u03ba\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03cc\u03c4\u03b1\u03bd \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf.
— \u039c\u03b7\u03c7\u03b1\u03bd\u03ae \u03b5\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7\u03c2:
\u039c\u03b5\u03c4\u03b1\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03bf\u03bd bytecode \u03c3\u03b5 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ae\u03c2.
\u03a0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae Just-In-Time (JIT) \u03b3\u03b9\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2.<\/p>\n\n\n\n
–\u03a3\u03c5\u03bd\u03bf\u03c0\u03c4\u03b9\u03ba\u03ac, \u03c4\u03bf JVM \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c3\u03c4\u03b1 \u03c0\u03c1\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03b1 Java \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bf\u03c0\u03bf\u03c5\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03af\u03b1 \u03c4\u03bf\u03c5 bytecode \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c7\u03b5\u03af\u03c1\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bc\u03bd\u03ae\u03bc\u03b7\u03c2<\/p>\n\n\n\n
\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 Privat;<\/p>\n\n\n\n
–\u03a0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c7\u03c1\u03ae\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2 \u03c3\u03b5 \u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c4\u03ac\u03be\u03b5\u03b9\u03c2:
\u0395\u03bd\u03ce \u03bf\u03b9 \u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b5\u03c2 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03b9 \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03ad\u03c2, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5 \u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7 \u03ba\u03bb\u03ac\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03bf\u03c5\u03c2 \u03c3\u03ba\u03bf\u03c0\u03bf\u03cd\u03c2:
— \u039c\u03ad\u03b8\u03bf\u03b4\u03bf\u03b9 \u03b2\u03bf\u03ae\u03b8\u03b5\u03b9\u03b1\u03c2: \u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03ba\u03bf\u03b9\u03bd\u03ae\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03bc\u03bf\u03b9\u03c1\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2.
–\u0395\u03bd\u03b8\u03c5\u03bb\u03ac\u03ba\u03c9\u03c3\u03b7: \u0391\u03c0\u03cc\u03ba\u03c1\u03c5\u03c8\u03b7 \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03b5\u03c1\u03b5\u03b9\u03ce\u03bd \u03c5\u03bb\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03bf\u03ba\u03bb\u03ac\u03c3\u03b5\u03b9\u03c2.
–\u039a\u03bb\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03bc\u03bf\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd \u03bc\u03b5 \u03b4\u03bf\u03bc\u03ae: \u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03c4\u03b5 \u03bc\u03b9\u03ba\u03c1\u03ad\u03c2 \u03ba\u03bb\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b5 \u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03b5\u03cd\u03bf\u03c5\u03bd \u03c9\u03c2 \u03b4\u03bf\u03c7\u03b5\u03af\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/p>\n\n\n\n
\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf \u03a3\u03c5\u03bb\u03bb\u03ad\u03ba\u03c4\u03b7\u03c2 \u03c3\u03ba\u03bf\u03c5\u03c0\u03b9\u03b4\u03b9\u03ce\u03bd;<\/p>\n\n\n\n
–\u039c\u03bd\u03ae\u03bc\u03b7 \u03c3\u03c9\u03c1\u03bf\u03cd:
\u03a4\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 Java \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c9\u03c1\u03cc, \u03bc\u03b9\u03b1 \u03b5\u03b9\u03b4\u03b9\u03ba\u03ae \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03bc\u03bd\u03ae\u03bc\u03b7\u03c2.
\u039f\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03b3\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03c1\u03cc\u03c3\u03b9\u03c4\u03b1 (\u03b4\u03b5\u03bd \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c0\u03bb\u03ad\u03bf\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf \u03c0\u03c1\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1).
–\u03a3\u03c5\u03bb\u03bb\u03ad\u03ba\u03c4\u03b7\u03c2 \u03b1\u03c0\u03bf\u03c1\u03c1\u03b9\u03bc\u03bc\u03ac\u03c4\u03c9\u03bd (GC):
\u03a4\u03bf GC \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03b3\u03c1\u03ac\u03c6\u03b5\u03b9 \u03b1\u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03af\u03b7\u03c4\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03bb\u03b5\u03c5\u03b8\u03b5\u03c1\u03ce\u03c3\u03b5\u03b9 \u03bc\u03bd\u03ae\u03bc\u03b7.
\u0395\u03ba\u03c4\u03b5\u03bb\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b1 \u03c3\u03c4\u03bf \u03c0\u03b1\u03c1\u03b1\u03c3\u03ba\u03ae\u03bd\u03b9\u03bf.
\u0394\u03cd\u03bf \u03c4\u03cd\u03c0\u03bf\u03b9:
Minor GC: \u0391\u03c6\u03b1\u03b9\u03c1\u03b5\u03af \u03b1\u03c0\u03c1\u03cc\u03c3\u03b9\u03c4\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03c3\u03c4\u03b7 \u03bd\u03ad\u03b1 \u03b3\u03b5\u03bd\u03b9\u03ac.
Major GC (Full GC): \u039a\u03b1\u03b8\u03b1\u03c1\u03af\u03b6\u03b5\u03b9 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03b1\u03bb\u03b9\u03ac\u03c2 \u03b3\u03b5\u03bd\u03b9\u03ac\u03c2.
–\u039f\u03c6\u03ad\u03bb\u03b7:
\u039f\u03b9 \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03ad\u03c2 \u03b4\u03b5\u03bd \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03b3\u03c1\u03ac\u03c6\u03bf\u03c5\u03bd \u03c1\u03b7\u03c4\u03ac \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1.
\u03a4\u03bf GC \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b8\u03b5\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03bc\u03bd\u03ae\u03bc\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b1 OutOfMemoryErrors<\/p>\n\n\n\n
\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf OOP;<\/p>\n\n\n\n
\u03a4\u03ad\u03c3\u03c3\u03b5\u03c1\u03b9\u03c2 \u03b1\u03c1\u03c7\u03ad\u03c2 \u03c4\u03bf\u03c5 OOP:
–\u0395\u03bd\u03b8\u03c5\u03bb\u03ac\u03ba\u03c9\u03c3\u03b7: \u039f\u03bc\u03b1\u03b4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd (\u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd) \u03ba\u03b1\u03b9 \u03bc\u03b5\u03b8\u03cc\u03b4\u03c9\u03bd (\u03c3\u03c5\u03bd\u03b1\u03c1\u03c4\u03ae\u03c3\u03b5\u03c9\u03bd) \u03bc\u03b1\u03b6\u03af \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03ba\u03bb\u03ac\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03b1\u03c0\u03cc\u03ba\u03c1\u03c5\u03c8\u03b7 \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03b5\u03c1\u03b5\u03b9\u03ce\u03bd \u03c5\u03bb\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03bf\u03c7\u03ae \u03ba\u03b1\u03b8\u03b1\u03c1\u03ae\u03c2 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae\u03c2.
–\u039a\u03bb\u03b7\u03c1\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1: \u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03bd\u03ad\u03c9\u03bd \u03ba\u03bb\u03ac\u03c3\u03b5\u03c9\u03bd \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03b9\u03c2 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03c3\u03b5\u03c2, \u03ba\u03bb\u03b7\u03c1\u03bf\u03bd\u03bf\u03bc\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b9\u03c2 \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ad\u03c2 \u03c4\u03bf\u03c5\u03c2. \u03a0\u03c1\u03bf\u03c9\u03b8\u03b5\u03af \u03c4\u03b7\u03bd \u03b5\u03c0\u03b1\u03bd\u03b1\u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1.
–\u03a0\u03bf\u03bb\u03c5\u03bc\u03bf\u03c1\u03c6\u03b9\u03c3\u03bc\u03cc\u03c2: \u0395\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c3\u03b5 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03b9\u03ce\u03bd \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03c9\u03c0\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bf\u03bc\u03bf\u03b9\u03cc\u03bc\u03bf\u03c1\u03c6\u03b1 \u03bc\u03ad\u03c3\u03c9 \u03bc\u03b9\u03b1\u03c2 \u03ba\u03bf\u03b9\u03bd\u03ae\u03c2 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae\u03c2. \u0395\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c5\u03b5\u03bb\u03b9\u03be\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b5\u03ba\u03c4\u03b1\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1.
— \u0391\u03c6\u03b1\u03af\u03c1\u03b5\u03c3\u03b7: \u0395\u03c3\u03c4\u03af\u03b1\u03c3\u03b7 \u03c3\u03b5 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ac \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03ba\u03c1\u03cd\u03b2\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c4\u03c4\u03ad\u03c2 \u03c0\u03bf\u03bb\u03c5\u03c0\u03bb\u03bf\u03ba\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2. \u0397 \u03b1\u03c6\u03b1\u03af\u03c1\u03b5\u03c3\u03b7 \u03b1\u03c0\u03bb\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03bf \u03c3\u03c7\u03ad\u03b4\u03b9\u03bf \u03ba\u03b1\u03b9 \u03c4\u03bf \u03ba\u03ac\u03bd\u03b5\u03b9 \u03c0\u03b9\u03bf \u03b4\u03b9\u03b1\u03c7\u03b5\u03b9\u03c1\u03af\u03c3\u03b9\u03bc\u03bf.<\/p>\n\n\n\n
\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03b9 \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 ACID \u03b4\u03b9\u03b1\u03b4\u03c1\u03b1\u03bc\u03b1\u03c4\u03af\u03b6\u03bf\u03c5\u03bd \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03bf \u03c1\u03cc\u03bb\u03bf \u03c3\u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bd\u03ad\u03c0\u03b5\u03b9\u03b1\u03c2 \u03c4\u03c9\u03bd \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ce\u03bd.<\/p>\n\n\n\n
— \u0391\u03c4\u03bf\u03bc\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1:
\u039f\u03b9 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03b5\u03af\u03c4\u03b5 \u03b5\u03ba\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b5\u03be \u03bf\u03bb\u03bf\u03ba\u03bb\u03ae\u03c1\u03bf\u03c5 \u03b5\u03af\u03c4\u03b5 \u03ba\u03b1\u03b8\u03cc\u03bb\u03bf\u03c5.
\u03a7\u03c9\u03c1\u03af\u03c2 \u03bc\u03b5\u03c1\u03b9\u03ba\u03ae \u03b5\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7: \u0395\u03ac\u03bd \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03b1\u03c0\u03bf\u03c4\u03cd\u03c7\u03b5\u03b9 \u03c3\u03c4\u03b7 \u03bc\u03ad\u03c3\u03b7, \u03c4\u03c5\u03c7\u03cc\u03bd \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03ad\u03b3\u03b9\u03bd\u03b1\u03bd \u03c3\u03c4\u03b7 \u03b2\u03ac\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1\u03b9.
\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1: \u0395\u03be\u03b5\u03c4\u03ac\u03c3\u03c4\u03b5 \u03c4\u03bf \u03b5\u03bd\u03b4\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 100 $ \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03bb\u03bf\u03b3\u03b1\u03c1\u03b9\u03b1\u03c3\u03bc\u03cc X \u03c3\u03c4\u03bf\u03bd \u03bb\u03bf\u03b3\u03b1\u03c1\u03b9\u03b1\u03c3\u03bc\u03cc Y. \u0395\u03ac\u03bd \u03b7 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03b1\u03c0\u03bf\u03c4\u03cd\u03c7\u03b5\u03b9 \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03b1\u03c6\u03b1\u03af\u03c1\u03b5\u03c3\u03b7 \u03b1\u03c0\u03cc \u03c4\u03bf X \u03b1\u03bb\u03bb\u03ac \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03b8\u03ae\u03ba\u03b7 \u03c3\u03c4\u03bf Y, \u03b7 \u03b2\u03ac\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c0\u03ae\u03c2.
–\u03a3\u03c5\u03bd\u03bf\u03c7\u03ae:
\u0397 \u03b2\u03ac\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03b5\u03af \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2 \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c0\u03c1\u03b9\u03bd \u03ba\u03b1\u03b9 \u03bc\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae.
\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1: \u0395\u03ac\u03bd \u03c4\u03bf \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03cc \u03c0\u03bf\u03c3\u03cc \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 $700 (X: $500, Y: $200), \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03b5\u03af\u03bd\u03b5\u03b9 \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae (X: $400, Y: $300).
–\u0391\u03c0\u03bf\u03bc\u03cc\u03bd\u03c9\u03c3\u03b7:
\u03a0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03bf\u03cd\u03bd \u03c4\u03b1\u03c5\u03c4\u03cc\u03c7\u03c1\u03bf\u03bd\u03b1 \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03bc\u03af\u03b1 \u03c4\u03b7\u03bd \u03ac\u03bb\u03bb\u03b7.
\u039f\u03b9 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b3\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03c1\u03b1\u03c4\u03ad\u03c2 \u03c3\u03b5 \u03ac\u03bb\u03bb\u03bf\u03c5\u03c2 \u03bc\u03ad\u03c7\u03c1\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03bf\u03cd\u03bd.
\u0395\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03b9\u03c3\u03bf\u03b4\u03cd\u03bd\u03b1\u03bc\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c3\u03b1\u03bd \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd\u03c4\u03b1\u03bd \u03c3\u03b5\u03b9\u03c1\u03b9\u03b1\u03ba\u03ac \u03bf\u03b9 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2.
\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1: \u0397 \u03b1\u03c0\u03bf\u03bc\u03cc\u03bd\u03c9\u03c3\u03b7 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ce\u03bd \u03b1\u03c0\u03bf\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03b1\u03c3\u03c5\u03bd\u03ad\u03c0\u03b5\u03b9\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03bf\u03c6\u03b5\u03af\u03bb\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03b1\u03c1\u03b5\u03bc\u03b2\u03b1\u03bb\u03bb\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b5\u03c2.
–\u0391\u03bd\u03c4\u03bf\u03c7\u03ae:
\u039c\u03cc\u03bb\u03b9\u03c2 \u03b4\u03b5\u03c3\u03bc\u03b5\u03c5\u03c4\u03b5\u03af \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae, \u03bf\u03b9 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03cc\u03bd\u03b9\u03bc\u03b5\u03c2.
\u0395\u03c0\u03b9\u03b2\u03b9\u03ce\u03bd\u03b5\u03b9 \u03b1\u03c0\u03cc \u03b1\u03c0\u03bf\u03c4\u03c5\u03c7\u03af\u03b5\u03c2 \u03ae \u03ba\u03bf\u03bb\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2.
\u0395\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.
\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1: \u0391\u03ba\u03cc\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03b5\u03c0\u03b1\u03bd\u03b5\u03ba\u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2, \u03bf\u03b9 \u03b4\u03b5\u03c3\u03bc\u03b5\u03c5\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03bf\u03c5\u03bd \u03ac\u03b8\u03b9\u03ba\u03c4\u03b5\u03c2.
\u0398\u03c5\u03bc\u03b7\u03b8\u03b5\u03af\u03c4\u03b5, \u03bf\u03b9 \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 ACID \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03c5\u03bd \u03c4\u03b7 \u03b2\u03ac\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c0\u03b5\u03af\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b5\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd! \ud83c\udf1f<\/p>\n\n\n\n
\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u039c\u03bf\u03c4\u03af\u03b2\u03bf \u03a3\u03c4\u03c1\u03b1\u03c4\u03b7\u03b3\u03b9\u03ba\u03ae\u03c2;
\u03a0\u03b5\u03c1\u03b9\u03b3\u03c1\u03b1\u03c6\u03ae: \u039f\u03c1\u03af\u03b6\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03bf\u03b9\u03ba\u03bf\u03b3\u03ad\u03bd\u03b5\u03b9\u03b1 \u03b1\u03bb\u03b3\u03bf\u03c1\u03af\u03b8\u03bc\u03c9\u03bd, \u03b5\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03ce\u03bd\u03b5\u03b9 \u03c4\u03bf\u03bd \u03ba\u03b1\u03b8\u03ad\u03bd\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03ac\u03bd\u03b5\u03b9 \u03b5\u03bd\u03b1\u03bb\u03bb\u03ac\u03be\u03b9\u03bc\u03bf\u03c5\u03c2. \u0395\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c3\u03c4\u03bf\u03bd \u03b1\u03bb\u03b3\u03cc\u03c1\u03b9\u03b8\u03bc\u03bf \u03bd\u03b1 \u03c0\u03bf\u03b9\u03ba\u03af\u03bb\u03bb\u03b5\u03b9 \u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03c0\u03b5\u03bb\u03ac\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c4\u03bf\u03bd \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd.
\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1:
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n
\/\/ \u0394\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03b3\u03b9\u03b1 \u03b4\u03b9\u03b1\u03c4\u03c1\u03bf\u03c6\u03b9\u03ba\u03ae \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac
\u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae EatBehavior {
void eat();
}<\/p>\n\n\n\n
\/\/ \u03a3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c4\u03c1\u03bf\u03c6\u03b9\u03ba\u03ae\u03c2 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac\u03c2
class NormalDiet \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03b5\u03af EatBehavior {
@\u039a\u03b1\u03c4\u03b1\u03c0\u03b1\u03c4\u03ce
public void eat() {
\/\/ \u039a\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03cc \u03c6\u03b1\u03b3\u03b7\u03c4\u03cc
}
}<\/p>\n\n\n\n
\u03c4\u03ac\u03be\u03b7 LosingWeightDiet \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03b5\u03b9 EatBehavior {
@\u039a\u03b1\u03c4\u03b1\u03c0\u03b1\u03c4\u03ce
public void eat() {
\/\/ \u03a5\u03b3\u03b9\u03b5\u03b9\u03bd\u03ae \u03b4\u03b9\u03b1\u03c4\u03c1\u03bf\u03c6\u03ae
}
}<\/p>\n\n\n\n
\/\/ \u039a\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b1 \u03b3\u03ac\u03c4\u03b1\u03c2 \u03bc\u03b5 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03c6\u03b1\u03b3\u03b7\u03c4\u03bf\u03cd
\u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7 \u03c4\u03ac\u03be\u03b7 \u03b3\u03ac\u03c4\u03b1 {
EatBehavior eatBehavior;<\/p>\n\n\n
\n\t
\n\t\t
\n\t\t\t\n
\n
public void eat() {<\/div>
    eatBehavior.eat();<\/div>
}<\/div>
<\/div>
public void setEatBehavior(EatBehavior eatBehavior) {<\/div>
 this.eatBehavior = eatBehavior;<\/div>
}<\/div><\/code><\/pre>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n
}<\/p>\n\n\n\n
\/\/ \u03a7\u03c1\u03ae\u03c3\u03b7
Cat cat = new Cat();
cat.setEatBehavior(new LosingWeightDiet());
cat.eat(); \/\/ \u0397 \u03b3\u03ac\u03c4\u03b1 \u03c4\u03c1\u03ce\u03b5\u03b9 \u03bc\u03b5 \u03c0\u03b9\u03bf \u03c5\u03b3\u03b9\u03b5\u03b9\u03bd\u03ae \u03b4\u03b9\u03b1\u03c4\u03c1\u03bf\u03c6\u03ae<\/p>\n\n\n\n
\u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ac \u03bc\u03bf\u03c4\u03af\u03b2\u03b1:
\u0391\u03c5\u03c4\u03ac \u03c4\u03b1 \u03bc\u03bf\u03c4\u03af\u03b2\u03b1 \u03b5\u03c0\u03b9\u03ba\u03b5\u03bd\u03c4\u03c1\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c4\u03b7\u03c2 \u03c4\u03ac\u03be\u03b7\u03c2.
\u03a0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1<\/p>\n\n\n\n
— \u0395\u03c1\u03b3\u03bf\u03c3\u03c4\u03b1\u03c3\u03b9\u03b1\u03ba\u03ae \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2,
\u0394\u03ae\u03bb\u03c9\u03c3\u03b7 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2: \u0391\u03c2 \u03c5\u03c0\u03bf\u03b8\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03b8\u03ad\u03bb\u03bf\u03c5\u03bc\u03b5 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5\u03c2 \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd (\u03c0.\u03c7. \u03b1\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03b1, \u03c0\u03bf\u03b4\u03ae\u03bb\u03b1\u03c4\u03b1, \u03c0\u03bf\u03b4\u03ae\u03bb\u03b1\u03c4\u03b1) \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03b5\u03bd\u03ac \u03c4\u03bf\u03bd \u03ba\u03ce\u03b4\u03b9\u03ba\u03ac \u03bc\u03b1\u03c2 \u03bc\u03b5 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03b9\u03c2.
\u0392\u03b1\u03c3\u03b9\u03ba\u03ac \u03c3\u03c5\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ac:
\u03a0\u03c1\u03bf\u03ca\u03cc\u03bd: \u039c\u03b9\u03b1 \u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7 \u03ba\u03bb\u03ac\u03c3\u03b7 \u03ae \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03c0\u03bf\u03c5 \u03bf\u03c1\u03af\u03b6\u03b5\u03b9 \u03ba\u03bf\u03b9\u03bd\u03ad\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf \u03b5\u03c1\u03b3\u03bf\u03c3\u03c4\u03ac\u03c3\u03b9\u03bf.
Concrete Products: \u03a0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03ba\u03bb\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c4\u03b7 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03bf\u03c2, \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03cd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5\u03c2 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03c9\u03bd.
\u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03cc\u03c2: \u039c\u03b9\u03b1 \u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7 \u03ba\u03bb\u03ac\u03c3\u03b7 \u03ae \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03c0\u03bf\u03c5 \u03b4\u03b7\u03bb\u03ce\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c1\u03b3\u03bf\u03c3\u03c4\u03b1\u03c3\u03b9\u03b1\u03ba\u03ae \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf. \u0395\u03af\u03bd\u03b1\u03b9 \u03c5\u03c0\u03b5\u03cd\u03b8\u03c5\u03bd\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03c9\u03bd \u03a0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03bf\u03c2, \u03b1\u03bb\u03bb\u03ac \u03b1\u03bd\u03b1\u03b8\u03ad\u03c4\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c3\u03b5 \u03c5\u03c0\u03bf\u03ba\u03bb\u03ac\u03c3\u03b5\u03b9\u03c2.
Concrete Creators: \u03a5\u03c0\u03bf\u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b5\u03c2 \u03c4\u03bf\u03c5 \u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd \u03c0\u03bf\u03c5 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b5\u03c1\u03b3\u03bf\u03c3\u03c4\u03b1\u03c3\u03b9\u03b1\u03ba\u03ae \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf. \u0391\u03c0\u03bf\u03c6\u03b1\u03c3\u03af\u03b6\u03bf\u03c5\u03bd \u03c0\u03bf\u03b9\u03bf \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd \u03c3\u03ba\u03c5\u03c1\u03bf\u03b4\u03ad\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03bf\u03c5\u03bd \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03c4\u03c1\u03bf\u03c5\u03c2 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5 \u03ae \u03c4\u03b7 \u03b4\u03b9\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7.
Factory Method: \u039c\u03b9\u03b1 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03bf\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03ba\u03bb\u03ac\u03c3\u03b7 Creator \u03c0\u03bf\u03c5 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 Product. \u03a3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03b4\u03b7\u03bb\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03bf \u03c3\u03c4\u03bf\u03bd \u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03cc \u03ba\u03b1\u03b9 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03a3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5\u03c2 \u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03c2.
\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 \u03c3\u03b5 Java: \u0391\u03c2 \u03c5\u03c0\u03bf\u03b8\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1 \u0395\u03c1\u03b3\u03bf\u03c3\u03c4\u03ac\u03c3\u03b9\u03bf \u03c0\u03bf\u03c5 \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5\u03c2 \u03bf\u03c7\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd. \u0391\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af \u03ad\u03bd\u03b1 \u03b1\u03c0\u03bb\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03bf \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1:
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n
\/\/ AbstractProduct
\u03a0\u03c1\u03bf\u03ca\u03cc\u03bd \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 {
void display();
}<\/p>\n\n\n\n
\/\/ \u03a0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03b1 \u03c3\u03ba\u03c5\u03c1\u03bf\u03b4\u03ad\u03bc\u03b1\u03c4\u03bf\u03c2
class car tools Product {
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03b5\u03bc\u03c6\u03ac\u03bd\u03b9\u03c3\u03b7 \u03ba\u03b5\u03bd\u03bf\u03cd() {
System.out.println(“Car \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03b8\u03b7\u03ba\u03b5”);
}
}<\/p>\n\n\n\n
class Bike instruments Product {
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03b5\u03bc\u03c6\u03ac\u03bd\u03b9\u03c3\u03b7 \u03ba\u03b5\u03bd\u03bf\u03cd() {
System.out.println(“\u03a4\u03bf \u03c0\u03bf\u03b4\u03ae\u03bb\u03b1\u03c4\u03bf \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03b8\u03b7\u03ba\u03b5”);
}
}<\/p>\n\n\n\n
\/\/ \u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03cc\u03c2 (\u0395\u03c1\u03b3\u03bf\u03c3\u03c4\u03ac\u03c3\u03b9\u03bf)
\u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae Factory {
Product factoryMethod();
}<\/p>\n\n\n\n
\/\/ Concrete Creators
\u03ba\u03bb\u03ac\u03c3\u03b7 ConcreteFactoryA \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03b5\u03af Factory {
public Product factoryMethod() {
\u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03bd\u03ad\u03bf\u03c5 \u03b1\u03c5\u03c4\u03bf\u03ba\u03b9\u03bd\u03ae\u03c4\u03bf\u03c5();
}
}<\/p>\n\n\n\n
\u03ba\u03bb\u03ac\u03c3\u03b7 ConcreteFactoryB \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03b5\u03af Factory {
public Product factoryMethod() {
\u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03bd\u03ad\u03bf\u03c5 \u03c0\u03bf\u03b4\u03b7\u03bb\u03ac\u03c4\u03bf\u03c5();
}
}<\/p>\n\n\n\n
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03ba\u03bb\u03ac\u03c3\u03b7 FactoryMethodExample {
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03cc \u03ba\u03b5\u03bd\u03cc main(String[] args) {
Factory factoryA = new ConcreteFactoryA();
\u03a0\u03c1\u03bf\u03ca\u03cc\u03bd productA = factoryA.factoryMethod();
productA.display();<\/p>\n\n\n\n
    Factory factoryB = new ConcreteFactoryB();\n    Product productB = factoryB.factoryMethod();\n    productB.display();\n}<\/code><\/pre>\n\n\n\n
}<\/p>\n\n\n\n
— \u039f\u03b9\u03ba\u03bf\u03b4\u03cc\u03bc\u03bf\u03c2
\u03a4\u03bf \u03bc\u03bf\u03c4\u03af\u03b2\u03bf \u03b4\u03cc\u03bc\u03b7\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc \u03c3\u03c7\u03ad\u03b4\u03b9\u03bf \u03c3\u03c7\u03b5\u03b4\u03af\u03b1\u03c3\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03b1\u03c2 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ac\u03b6\u03b5\u03c4\u03b5 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03b2\u03ae\u03bc\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03b2\u03ae\u03bc\u03b1,
\u03b4\u03b9\u03b1\u03c7\u03c9\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ae \u03c4\u03bf\u03c5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03ae \u03c4\u03bf\u03c5\u03c2. \u0391\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af \u03ad\u03bd\u03b1 \u03b1\u03c0\u03bb\u03cc \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 \u03c3\u03b5 Java:
\/\/ \u039a\u03b1\u03b8\u03bf\u03c1\u03af\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03ba\u03bb\u03ac\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03b8\u03ad\u03bb\u03b5\u03c4\u03b5 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03b5\u03c4\u03b5
\u03b1\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03c4\u03ac\u03be\u03b7\u03c2 {
\u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03cc\u03c2 \u03c4\u03b5\u03bb\u03b9\u03ba\u03cc\u03c2 \u03c4\u03af\u03c4\u03bb\u03bf\u03c2 \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03bf\u03c3\u03b5\u03b9\u03c1\u03ac\u03c2?
\u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03cc \u03c4\u03b5\u03bb\u03b9\u03ba\u03cc \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03bf\u03c3\u03b5\u03b9\u03c1\u03ac\u03c2?
\u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03ae \u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b1 String?<\/p>\n\n\n
\n\t
\n\t\t
\n\t\t\t\n
\n
Post(Builder builder) {<\/div>
    this.title = builder.title;<\/div>
    this.text = builder.text;<\/div>
    this.category = builder.category;<\/div>
}<\/div>
<\/div>
\/\/ Getters for properties<\/div>
public String getTitle() {<\/div>
    return title;<\/div>
}<\/div>
<\/div>
public String getText() {<\/div>
    return text;<\/div>
}<\/div>
<\/div>
public String getCategory() {<\/div>
    return category;<\/div>
}<\/div>
<\/div>
\/\/ Builder class<\/div>
public static class Builder {<\/div>
    private String title;<\/div>
    private String text;<\/div>
    private String category;<\/div>
<\/div>
    public Builder title(String title) {<\/div>
        this.title = title;<\/div>
        return this;<\/div>
    }<\/div>
<\/div>
    public Builder text(String text) {<\/div>
        this.text = text;<\/div>
        return this;<\/div>
    }<\/div>
<\/div>
    public Builder category(String category) {<\/div>
        this.category = category;<\/div>
        return this;<\/div>
    }<\/div>
<\/div>
    public Post build() {<\/div>
        return new Post(this);<\/div>
    }<\/div>
}<\/div><\/code><\/pre>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n
}<\/p>\n\n\n\n
\/\/ \u03a7\u03c1\u03ae\u03c3\u03b7
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03c4\u03ac\u03be\u03b7 \u039a\u03cd\u03c1\u03b9\u03b1 {
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03cc \u03ba\u03b5\u03bd\u03cc main(String[] args) {
\u0394\u03b7\u03bc\u03bf\u03c3\u03af\u03b5\u03c5\u03c3\u03b7 \u03b1\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7\u03c2 = \u03bd\u03ad\u03bf Post.Builder()
.title (“\u039c\u03bf\u03c4\u03af\u03b2\u03bf Java Builder”)
.text(“\u0395\u03be\u03ae\u03b3\u03b7\u03c3\u03b7 \u03c0\u03ce\u03c2 \u03bd\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf \u03bc\u03bf\u03c4\u03af\u03b2\u03bf \u03b4\u03cc\u03bc\u03b7\u03c3\u03b7\u03c2 \u03c3\u03c4\u03b7\u03bd Java”)
.category (“\u039c\u03bf\u03c4\u03af\u03b2\u03b1 \u03c3\u03c7\u03b5\u03b4\u03af\u03b1\u03c3\u03b7\u03c2”)
.\u03bf\u03b9\u03ba\u03bf\u03b4\u03bf\u03bc\u03ce();<\/p>\n\n\n\n
    System.out.println("Title: " + post.getTitle());\n    System.out.println("Text: " + post.getText());\n    System.out.println("Category: " + post.getCategory());\n}<\/code><\/pre>\n\n\n\n
}<\/p>\n\n\n\n
–\u03a0\u03c1\u03c9\u03c4\u03cc\u03c4\u03c5\u03c0\u03bf
\u03a4\u03bf Prototype Pattern \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc \u03bc\u03bf\u03c4\u03af\u03b2\u03bf \u03c3\u03c7\u03b5\u03b4\u03af\u03b1\u03c3\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03b1\u03c2 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03c4\u03b5 \u03bd\u03ad\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03ad\u03bd\u03b1 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03bd \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf.
\u0391\u03bd\u03c4\u03af \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03c4\u03b5 \u03bd\u03ad\u03b1 \u03c3\u03c4\u03b9\u03b3\u03bc\u03b9\u03cc\u03c4\u03c5\u03c0\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03ae, \u03ba\u03bb\u03c9\u03bd\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b5 \u03ad\u03bd\u03b1 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03bd \u03c0\u03c1\u03c9\u03c4\u03cc\u03c4\u03c5\u03c0\u03bf, \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03b5\u03c5\u03ad\u03bb\u03b9\u03ba\u03c4\u03bf. \u0391\u03c2 \u03b4\u03bf\u03cd\u03bc\u03b5 \u03ad\u03bd\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 \u03c3\u03c4\u03b7\u03bd Java:
\u039a\u03b1\u03b8\u03bf\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c4\u03b7\u03c2 \u03a0\u03c1\u03c9\u03c4\u03cc\u03c4\u03c5\u03c0\u03bf\u03c5 \u0394\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae\u03c2: \u0391\u03c1\u03c7\u03b9\u03ba\u03ac, \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bc\u03b5 \u03bc\u03b9\u03b1 \u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7 \u03ba\u03bb\u03ac\u03c3\u03b7 \u03ae \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03c0\u03bf\u03c5 \u03bf\u03bd\u03bf\u03bc\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u0394\u03ad\u03bd\u03c4\u03c1\u03bf \u03bc\u03b5 \u03bc\u03b9\u03b1 \u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf copy():
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7 \u03ba\u03bb\u03ac\u03c3\u03b7 \u03b4\u03ad\u03bd\u03c4\u03c1\u03bf {
public abstract \u0391\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03bf \u03b4\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5();
}<\/p>\n\n\n\n
Concrete Prototypes: \u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bc\u03b5 \u03b4\u03cd\u03bf \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b5\u03c2 \u03c3\u03ba\u03c5\u03c1\u03bf\u03b4\u03ad\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b5\u03ba\u03c4\u03b5\u03af\u03bd\u03bf\u03c5\u03bd \u03c4\u03bf Tree: PlasticTree \u03ba\u03b1\u03b9 PineTree. \u0391\u03c5\u03c4\u03ad\u03c2 \u03bf\u03b9 \u03ba\u03bb\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03cd\u03bf\u03c5\u03bd \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5\u03c2 \u03b4\u03ad\u03bd\u03c4\u03c1\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03c5\u03bd \u03c4\u03b7 \u03b4\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5\u03c2 \u03c5\u03bb\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5 copy():
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03c4\u03ac\u03be\u03b7 PlasticTree \u03b5\u03c0\u03b5\u03ba\u03c4\u03b5\u03af\u03bd\u03b5\u03b9 \u03c4\u03bf \u03b4\u03ad\u03bd\u03c4\u03c1\u03bf {
@\u039a\u03b1\u03c4\u03b1\u03c0\u03b1\u03c4\u03ce
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03bf \u03b4\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5() {
PlasticTree plasticTreeClone = \u03bd\u03ad\u03bf PlasticTree(this.getMass(), this.getHeight());
plasticTreeClone.setPosition(this.getPosition());
\u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ccTreeClone?
}
}<\/p>\n\n\n\n
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03ba\u03bb\u03ac\u03c3\u03b7 PineTree \u03b5\u03c0\u03b5\u03ba\u03c4\u03b5\u03af\u03bd\u03b5\u03b9 \u03c4\u03bf \u03b4\u03ad\u03bd\u03c4\u03c1\u03bf {
@\u039a\u03b1\u03c4\u03b1\u03c0\u03b1\u03c4\u03ce
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03bf \u03b4\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5() {
PineTree pineTreeClone = \u03bd\u03ad\u03bf PineTree(this.getMass(), this.getHeight());
pineTreeClone.setPosition(this.getPosition());
\u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae pineTreeClone?
}
}
\u03a3\u03b5 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c4\u03b9\u03c2 \u03ba\u03bb\u03ac\u03c3\u03b5\u03b9\u03c2, \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03cc\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03ba\u03bb\u03c9\u03bd\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03bf\u03bd \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf \u03c4\u03cd\u03c0\u03bf \u03b4\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03bc\u03ac\u03b6\u03b1, \u03c4\u03bf \u03cd\u03c8\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b1\u03c1\u03c7\u03b9\u03ba\u03bf\u03cd \u03b4\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5.
\u03a7\u03c1\u03ae\u03c3\u03b7: \u03a4\u03ce\u03c1\u03b1, \u03b1\u03c2 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03c1\u03c9\u03c4\u03bf\u03c4\u03cd\u03c0\u03c9\u03bd \u03bc\u03b1\u03c2:
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03c4\u03ac\u03be\u03b7 \u039a\u03cd\u03c1\u03b9\u03b1 {
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03cc \u03ba\u03b5\u03bd\u03cc main(String[] args) {
\u0394\u03ad\u03bd\u03c4\u03c1\u03bf originalPlasticTree = new PlasticTree(10, 5);
\u0394\u03ad\u03bd\u03c4\u03c1\u03bf \u03ba\u03bb\u03c9\u03bd\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03bfPlasticTree = originalPlasticTree.copy();<\/p>\n\n\n\n
    Tree originalPineTree = new PineTree(15, 8);\n    Tree clonedPineTree = originalPineTree.copy();\n\n    \/\/ Use the cloned trees as needed\n    \/\/ ...\n}<\/code><\/pre>\n\n\n\n
}<\/p>\n\n\n\n
\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03b4\u03bf\u03bc\u03b9\u03ba\u03ac \u03bc\u03bf\u03c4\u03af\u03b2\u03b1;
\u0391\u03c5\u03c4\u03ac \u03c4\u03b1 \u03bc\u03bf\u03c4\u03af\u03b2\u03b1 \u03b1\u03c3\u03c7\u03bf\u03bb\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b7 \u03b4\u03bf\u03bc\u03ae \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c3\u03b7 \u03bc\u03b9\u03b1\u03c2 \u03c4\u03ac\u03be\u03b7\u03c2.<\/p>\n\n\n\n
— \u039c\u03bf\u03c4\u03af\u03b2\u03bf \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03b1
\u03a4\u03bf \u03bc\u03bf\u03c4\u03af\u03b2\u03bf \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03bc\u03bf\u03c4\u03af\u03b2\u03bf \u03b4\u03bf\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c3\u03c7\u03b5\u03b4\u03af\u03b1\u03c3\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03b1\u03c2 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03ac\u03bd\u03b5\u03c4\u03b5 \u03b4\u03cd\u03bf \u03bc\u03b7 \u03c3\u03c5\u03bc\u03b2\u03b1\u03c4\u03ad\u03c2 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ad\u03c2 \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b5\u03c1\u03b3\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9.
\u039b\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c9\u03c2 \u03b3\u03ad\u03c6\u03c5\u03c1\u03b1 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ce\u03bd, \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03c4\u03c1\u03bf\u03c0\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03bf\u03bd \u03c0\u03b7\u03b3\u03b1\u03af\u03bf \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1 \u03c4\u03bf\u03c5\u03c2.<\/p>\n\n\n\n
\u03a0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03b1\u03c2 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5:
\u03a3\u03b5 \u03b1\u03c5\u03c4\u03ae\u03bd \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03ad\u03b3\u03b3\u03b9\u03c3\u03b7, \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bc\u03b5 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03ba\u03c7\u03c9\u03c1\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae \u03c3\u03c4\u03bf\u03bd \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03b1.
\u039f \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03b1\u03c2 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03c4\u03bf Adaptee \u03ba\u03b1\u03b9 \u03b5\u03ba\u03c7\u03c9\u03c1\u03b5\u03af \u03c4\u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf request() \u03c3\u03c4\u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf specificRequest() \u03c3\u03c4\u03bf Adaptee.
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n
\/\/ Adaptee (\u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03c3\u03b1 \u03ba\u03bb\u03ac\u03c3\u03b7)
\u03a0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03c3\u03c4\u03ae\u03c2 \u03c4\u03ac\u03be\u03b7\u03c2 {
void specifiedRequest() {
System.out.println(“\u03a3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf \u03b1\u03af\u03c4\u03b7\u03bc\u03b1 \u03c4\u03bf\u03c5 Adaptee”);
}
}<\/p>\n\n\n\n
\/\/ \u0394\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03c3\u03c4\u03cc\u03c7\u03bf\u03c5
\u03a3\u03c4\u03cc\u03c7\u03bf\u03c2 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 {
void request();
}<\/p>\n\n\n\n
\/\/ \u03a0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03b1\u03c2 (\u03bc\u03b5 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c3\u03b7\u03c2)
\u039f \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03b1\u03c2 \u03c4\u03ac\u03be\u03b7\u03c2 \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03bf Target {
\u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03cc\u03c2 \u03c4\u03b5\u03bb\u03b9\u03ba\u03cc\u03c2 Adaptee adaptee;<\/p>\n\n\n
\n\t
\n\t\t
\n\t\t\t\n
\n
Adapter(Adaptee adaptee) {<\/div>
    this.adaptee = adaptee;<\/div>
}<\/div>
<\/div>
@Override<\/div>
public void request() {<\/div>
    adaptee.specificRequest();<\/div>
}<\/div><\/code><\/pre>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n
}<\/p>\n\n\n\n
ClassAdapter:
\u0391\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ae \u03ba\u03bb\u03b7\u03c1\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 (\u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ac\u03bc\u03b5\u03c3\u03b1 \u03b4\u03c5\u03bd\u03b1\u03c4\u03ae \u03c3\u03c4\u03b7\u03bd Java).
\u039c\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03c4\u03bf \u03c0\u03b5\u03c4\u03cd\u03c7\u03bf\u03c5\u03bc\u03b5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ad\u03c2 \u03bc\u03b5 \u03c0\u03c1\u03bf\u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2.
\u039f \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03b1\u03c2 \u03b5\u03c0\u03b5\u03ba\u03c4\u03b5\u03af\u03bd\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b5\u03c2 Target \u03ba\u03b1\u03b9 Adaptee.
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n
\/\/ \u0394\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03c3\u03c4\u03cc\u03c7\u03bf\u03c5
\u03a3\u03c4\u03cc\u03c7\u03bf\u03c2 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 {
void request();
}<\/p>\n\n\n\n
\/\/ Adaptee (\u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03c3\u03b1 \u03ba\u03bb\u03ac\u03c3\u03b7)
\u03a0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03c3\u03c4\u03ae\u03c2 \u03c4\u03ac\u03be\u03b7\u03c2 {
void specifiedRequest() {
System.out.println(“\u03a3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf \u03b1\u03af\u03c4\u03b7\u03bc\u03b1 \u03c4\u03bf\u03c5 Adaptee”);
}
}<\/p>\n\n\n\n
\/\/ \u03a0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03b1\u03c2 (\u03bc\u03b5 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03ba\u03bb\u03ac\u03c3\u03b7\u03c2 \u03ba\u03bb\u03b7\u03c1\u03bf\u03bd\u03bf\u03bc\u03b9\u03ac\u03c2)
\u039f \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03b1\u03c2 \u03ba\u03bb\u03ac\u03c3\u03b7\u03c2 \u03b5\u03c0\u03b5\u03ba\u03c4\u03b5\u03af\u03bd\u03b5\u03b9 \u03c4\u03bf Adaptee \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03a3\u03c4\u03cc\u03c7\u03bf\u03c2 {
@\u039a\u03b1\u03c4\u03b1\u03c0\u03b1\u03c4\u03ce
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf \u03ba\u03b5\u03bd\u03cc \u03b1\u03af\u03c4\u03b7\u03bc\u03b1() {
specifiedRequest();
}
}
\u039f\u03c6\u03ad\u03bb\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2:
\u039f \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03b1\u03c2 \u03ba\u03bb\u03ac\u03c3\u03b7\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03ba\u03b1\u03bb\u03ac \u03b3\u03b9\u03b1 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03af\u03c7\u03b9\u03c3\u03b7 \u03bc\u03b5\u03b8\u03cc\u03b4\u03c9\u03bd \u03ad\u03bd\u03b1\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03ad\u03bd\u03b1\u03bd.
\u039f \u03a0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03b1\u03c2 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b5\u03c5\u03b5\u03bb\u03b9\u03be\u03af\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c6\u03b5\u03cd\u03b3\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c4\u03c1\u03bf\u03c0\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1.<\/p>\n\n\n\n
— \u039c\u03bf\u03c4\u03af\u03b2\u03bf \u03b4\u03b9\u03b1\u03ba\u03bf\u03c3\u03bc\u03b7\u03c4\u03ae
\u03a4\u03bf \u039c\u03bf\u03c4\u03af\u03b2\u03bf \u0394\u03b9\u03b1\u03ba\u03bf\u03c3\u03bc\u03b7\u03c4\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc \u03c3\u03c7\u03ad\u03b4\u03b9\u03bf \u03c3\u03c7\u03b5\u03b4\u03af\u03b1\u03c3\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03b1\u03c2 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b8\u03ad\u03c4\u03b5\u03c4\u03b5 \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ac \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03c7\u03c9\u03c1\u03af\u03c2
\u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03ac\u03bb\u03bb\u03c9\u03bd \u03c5\u03c0\u03b1\u03c1\u03c7\u03cc\u03bd\u03c4\u03c9\u03bd \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03ba\u03bb\u03ac\u03c3\u03b7. \u0395\u03af\u03bd\u03b1\u03b9 \u03b9\u03b4\u03b9\u03b1\u03af\u03c4\u03b5\u03c1\u03b1 \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03bf \u03cc\u03c4\u03b1\u03bd \u03b8\u03ad\u03bb\u03b5\u03c4\u03b5 \u03bd\u03b1 \u03b5\u03c0\u03b5\u03ba\u03c4\u03b5\u03af\u03bd\u03b5\u03c4\u03b5 \u03ad\u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf
\u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03b1\u03bb\u03bb\u03bf\u03b9\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03b4\u03bf\u03bc\u03ae \u03c4\u03bf\u03c5.<\/p>\n\n\n\n
\u0395\u03c0\u03b9\u03c3\u03ba\u03cc\u03c0\u03b7\u03c3\u03b7:
\u03a4\u03bf \u039c\u03bf\u03c4\u03af\u03b2\u03bf \u0394\u03b9\u03b1\u03ba\u03bf\u03c3\u03bc\u03b7\u03c4\u03ae \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03c9\u03bc\u03ad\u03bd\u03b7 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03bc\u03b5 \u03c4\u03bf \u03b1\u03c1\u03c7\u03b9\u03ba\u03cc \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03c4\u03c5\u03bb\u03af\u03b3\u03bf\u03bd\u03c4\u03ac\u03c2 \u03c4\u03bf \u03bc\u03b5 \u03c0\u03c1\u03cc\u03c3\u03b8\u03b5\u03c4\u03b7 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1.
\u03a0\u03c1\u03bf\u03c4\u03b9\u03bc\u03bf\u03cd\u03bc\u03b5 \u03c4\u03b7 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c3\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03ba\u03bb\u03b7\u03c1\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03bc\u03b5\u03b9\u03ce\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ac \u03ad\u03be\u03bf\u03b4\u03b1 \u03c5\u03c0\u03bf\u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b1\u03c2.
\u039c\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b5\u03b8\u03bf\u03cd\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03c3\u03bc\u03b7\u03c4\u03ad\u03c2 \u03ba\u03b1\u03c4\u03ac \u03c4\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf \u03b5\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7\u03c2, \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b5\u03c5\u03b5\u03bb\u03b9\u03be\u03af\u03b1.
\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 \u03c3\u03b5\u03bd\u03b1\u03c1\u03af\u03bf\u03c5: \u0391\u03c2 \u03c5\u03c0\u03bf\u03b8\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03a7\u03c1\u03b9\u03c3\u03c4\u03bf\u03c5\u03b3\u03b5\u03bd\u03bd\u03b9\u03ac\u03c4\u03b9\u03ba\u03bf \u0394\u03ad\u03bd\u03c4\u03c1\u03bf \u03ba\u03b1\u03b9 \u03b8\u03ad\u03bb\u03bf\u03c5\u03bc\u03b5 \u03bd\u03b1 \u03c4\u03bf \u03b4\u03b9\u03b1\u03ba\u03bf\u03c3\u03bc\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03bc\u03b5 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03cc\u03c0\u03c9\u03c2 \u03b3\u03b9\u03c1\u03bb\u03ac\u03bd\u03c4\u03b1, \u03c0\u03bf\u03cd\u03bb\u03b9\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c6\u03c9\u03c4\u03ac\u03ba\u03b9\u03b1 \u03bc\u03b5 \u03c6\u03c5\u03c3\u03b1\u03bb\u03af\u03b4\u03b5\u03c2. \u0398\u03b1 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bc\u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03bf\u03cd Gang of Four:
\u0395\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7:
\u03a0\u03c1\u03ce\u03c4\u03b1, \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae ChristmasTree:
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03a7\u03c1\u03b9\u03c3\u03c4\u03bf\u03c5\u03b3\u03b5\u03bd\u03bd\u03b9\u03ac\u03c4\u03b9\u03ba\u03bf \u0394\u03ad\u03bd\u03c4\u03c1\u03bf {
String \u03b4\u03b9\u03b1\u03ba\u03cc\u03c3\u03bc\u03b7\u03c3\u03b7();
}<\/p>\n\n\n\n
\u03a5\u03bb\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03bc\u03b5 \u03ad\u03bd\u03b1 \u03b2\u03b1\u03c3\u03b9\u03ba\u03cc \u03b4\u03ad\u03bd\u03c4\u03c1\u03bf:
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03c4\u03ac\u03be\u03b7 ChristmasTreeImpl \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03b5\u03af ChristmasTree {
@\u039a\u03b1\u03c4\u03b1\u03c0\u03b1\u03c4\u03ce
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c3\u03bc\u03b7\u03c3\u03b7 \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03bf\u03c3\u03b5\u03b9\u03c1\u03ac\u03c2() {
\u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae “\u03c7\u03c1\u03b9\u03c3\u03c4\u03bf\u03c5\u03b3\u03b5\u03bd\u03bd\u03b9\u03ac\u03c4\u03b9\u03ba\u03bf \u03b4\u03ad\u03bd\u03c4\u03c1\u03bf”?
}
}<\/p>\n\n\n\n
\u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7 \u03c4\u03ac\u03be\u03b7 TreeDecorator \u03c0\u03bf\u03c5 \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03bf \u03a7\u03c1\u03b9\u03c3\u03c4\u03bf\u03c5\u03b3\u03b5\u03bd\u03bd\u03b9\u03ac\u03c4\u03b9\u03ba\u03bf \u0394\u03ad\u03bd\u03c4\u03c1\u03bf \u03ba\u03b1\u03b9 \u03ba\u03c1\u03b1\u03c4\u03ac \u03c4\u03bf \u03c3\u03c4\u03bf\u03bb\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf \u03b4\u03ad\u03bd\u03c4\u03c1\u03bf:
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7 \u03ba\u03bb\u03ac\u03c3\u03b7 TreeDecorator \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03bf \u03a7\u03c1\u03b9\u03c3\u03c4\u03bf\u03c5\u03b3\u03b5\u03bd\u03bd\u03b9\u03ac\u03c4\u03b9\u03ba\u03bf \u0394\u03ad\u03bd\u03c4\u03c1\u03bf {
\u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03cc \u03c4\u03b5\u03bb\u03b9\u03ba\u03cc \u03a7\u03c1\u03b9\u03c3\u03c4\u03bf\u03c5\u03b3\u03b5\u03bd\u03bd\u03b9\u03ac\u03c4\u03b9\u03ba\u03bf \u03b4\u03ad\u03bd\u03c4\u03c1\u03bf?<\/p>\n\n\n
\n\t
\n\t\t
\n\t\t\t\n
\n
public TreeDecorator(ChristmasTree tree) {<\/div>
    this.tree = tree;<\/div>
}<\/div>
<\/div>
@Override<\/div>
public String decorate() {<\/div>
    return tree.decorate();<\/div>
}<\/div><\/code><\/pre>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n
}<\/p>\n\n\n\n
\u03a4\u03ce\u03c1\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03c4\u03b5 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03ba\u03bf\u03c3\u03bc\u03b7\u03c4\u03ad\u03c2. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, BubbleLights:
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03c4\u03ac\u03be\u03b7 BubbleLights \u03b5\u03c0\u03b5\u03ba\u03c4\u03b5\u03af\u03bd\u03b5\u03b9 \u03c4\u03bf TreeDecorator {
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 BubbleLights (\u03c7\u03c1\u03b9\u03c3\u03c4\u03bf\u03c5\u03b3\u03b5\u03bd\u03bd\u03b9\u03ac\u03c4\u03b9\u03ba\u03bf \u03b4\u03ad\u03bd\u03c4\u03c1\u03bf) {
\u03c3\u03bf\u03cd\u03c0\u03b5\u03c1(\u03b4\u03ad\u03bd\u03c4\u03c1\u03bf);
}<\/p>\n\n\n
\n\t
\n\t\t
\n\t\t\t\n
\n
@Override<\/div>
public String decorate() {<\/div>
    return super.decorate() + " with Bubble Lights";<\/div>
}<\/div><\/code><\/pre>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n
}<\/p>\n\n\n\n
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03c4\u03ac\u03be\u03b7 Garland extends TreeDecorator {
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03b3\u03b9\u03c1\u03bb\u03ac\u03bd\u03c4\u03b1 (\u03c7\u03c1\u03b9\u03c3\u03c4\u03bf\u03c5\u03b3\u03b5\u03bd\u03bd\u03b9\u03ac\u03c4\u03b9\u03ba\u03bf \u03b4\u03ad\u03bd\u03c4\u03c1\u03bf) {
\u03c3\u03bf\u03cd\u03c0\u03b5\u03c1(\u03b4\u03ad\u03bd\u03c4\u03c1\u03bf);
}<\/p>\n\n\n
\n\t
\n\t\t
\n\t\t\t\n
\n
@Override<\/div>
public String decorate() {<\/div>
    return super.decorate() + " with Garland";<\/div>
}<\/div><\/code><\/pre>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n
}
\u03a7\u03c1\u03ae\u03c3\u03b7:
\u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03c4\u03b5 \u03c3\u03c4\u03bf\u03bb\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03b4\u03ad\u03bd\u03c4\u03c1\u03b1:
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03c4\u03ac\u03be\u03b7 DecoratorPatternDemo {
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03cc \u03ba\u03b5\u03bd\u03cc main(String[] args) {
ChristmasTree tree1 = new Garland(new ChristmasTreeImpl());
System.out.println(tree1.decorate()); \/\/ \u0388\u03be\u03bf\u03b4\u03bf\u03c2: “\u03a7\u03c1\u03b9\u03c3\u03c4\u03bf\u03c5\u03b3\u03b5\u03bd\u03bd\u03b9\u03ac\u03c4\u03b9\u03ba\u03bf \u03b4\u03ad\u03bd\u03c4\u03c1\u03bf \u03bc\u03b5 \u03b3\u03b9\u03c1\u03bb\u03ac\u03bd\u03c4\u03b1”<\/p>\n\n\n\n
    ChristmasTree tree2 = new BubbleLights(new Garland(new Garland(new ChristmasTreeImpl())));\n    System.out.println(tree2.decorate()); \/\/ Output: "Christmas tree with Garland with Garland with Bubble Lights"\n}<\/code><\/pre>\n\n\n\n
}
\u03a4\u03bf \u03bc\u03bf\u03c4\u03af\u03b2\u03bf \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03b8\u03ae\u03ba\u03b7 \u03b4\u03b9\u03b1\u03ba\u03bf\u03c3\u03bc\u03b7\u03c4\u03ce\u03bd \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03b5\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7, \u03b4\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b5\u03c5\u03b5\u03bb\u03b9\u03be\u03af\u03b1 \u03c3\u03c4\u03b7 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c3\u03bc\u03b7\u03c3\u03b7 \u03cc\u03c0\u03c9\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9.
\u0398\u03c5\u03bc\u03b7\u03b8\u03b5\u03af\u03c4\u03b5, \u03c4\u03bf \u039c\u03bf\u03c4\u03af\u03b2\u03bf \u0394\u03b9\u03b1\u03ba\u03bf\u03c3\u03bc\u03b7\u03c4\u03ae \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03c5\u03c1\u03ad\u03c9\u03c2 \u03c3\u03b5 \u03c3\u03b5\u03bd\u03ac\u03c1\u03b9\u03b1 \u03cc\u03c0\u03bf\u03c5 \u03b8\u03ad\u03bb\u03b5\u03c4\u03b5 \u03bd\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03b5\u03bd\u03cc\u03c2 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03c4\u03c1\u03bf\u03c0\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03b4\u03bf\u03bc\u03ae \u03c4\u03bf\u03c5 \u03c0\u03c5\u03c1\u03ae\u03bd\u03b1 \u03c4\u03bf\u03c5<\/p>\n\n\n\n
— \u039c\u03bf\u03c4\u03af\u03b2\u03bf \u03c0\u03c1\u03cc\u03c3\u03bf\u03c8\u03b7\u03c2
\u03a4\u03bf \u039c\u03bf\u03c4\u03af\u03b2\u03bf \u03a0\u03c1\u03cc\u03c3\u03bf\u03c8\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b4\u03bf\u03bc\u03b9\u03ba\u03cc \u03c3\u03c7\u03ad\u03b4\u03b9\u03bf \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03bf\u03cd \u03c0\u03bf\u03c5 \u03b1\u03c0\u03bb\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03b7\u03bd \u03b1\u03bb\u03bb\u03b7\u03bb\u03b5\u03c0\u03af\u03b4\u03c1\u03b1\u03c3\u03b7 \u03bc\u03b5 \u03ad\u03bd\u03b1 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03bf \u03c5\u03c0\u03bf\u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03bd\u03c4\u03b1\u03c2 \u03bc\u03b9\u03b1 \u03b5\u03bd\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b7 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae.
\u039b\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c9\u03c2 “\u03bc\u03c0\u03c1\u03bf\u03c3\u03c4\u03b9\u03bd\u03ae \u03c0\u03cc\u03c1\u03c4\u03b1” \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03ba\u03c1\u03cd\u03c8\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c5\u03c0\u03bf\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b7 \u03c0\u03bf\u03bb\u03c5\u03c0\u03bb\u03bf\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b5\u03c5\u03ba\u03bf\u03bb\u03cd\u03bd\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03b5\u03bb\u03ac\u03c4\u03b5\u03c2 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1<\/p>\n\n\n\n
–\u03a3\u03cd\u03bd\u03b8\u03b5\u03c4\u03bf\u03c2
\u03a4\u03bf \u03a3\u03cd\u03bd\u03b8\u03b5\u03c4\u03bf \u039c\u03bf\u03c4\u03af\u03b2\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b4\u03bf\u03bc\u03b9\u03ba\u03cc \u03bc\u03bf\u03c4\u03af\u03b2\u03bf \u03c3\u03c7\u03b5\u03b4\u03af\u03b1\u03c3\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03b1\u03c2 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b8\u03ad\u03c3\u03b5\u03c4\u03b5 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03c3\u03b5 \u03b4\u03bf\u03bc\u03ad\u03c2 \u03b4\u03ad\u03bd\u03c4\u03c1\u03c9\u03bd \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03b1\u03c3\u03c4\u03ae\u03c3\u03b5\u03c4\u03b5 \u03b9\u03b5\u03c1\u03b1\u03c1\u03c7\u03af\u03b5\u03c2 \u03bc\u03b5\u03c1\u03b9\u03ba\u03ce\u03bd \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03c9\u03bd.
\u0397 \u03ba\u03cd\u03c1\u03b9\u03b1 \u03b9\u03b4\u03ad\u03b1 \u03c0\u03af\u03c3\u03c9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03a3\u03cd\u03bd\u03b8\u03b5\u03c4\u03bf \u039c\u03bf\u03c4\u03af\u03b2\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ae \u03bc\u03b9\u03b1\u03c2 \u03b4\u03b5\u03bd\u03b4\u03c1\u03b9\u03ba\u03ae\u03c2 \u03b4\u03bf\u03bc\u03ae\u03c2 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03c9\u03bd, \u03cc\u03c0\u03bf\u03c5 \u03bc\u03b5\u03bc\u03bf\u03bd\u03c9\u03bc\u03ad\u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03ba\u03b1\u03b9 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03bc\u03bf\u03b9\u03c1\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03ba\u03bf\u03b9\u03bd\u03ae \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae.<\/p>\n\n\n\n
\u0392\u03b1\u03c3\u03b9\u03ba\u03cc \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03bf (\u03a4\u03bc\u03ae\u03bc\u03b1): \u0398\u03b1 \u03bf\u03c1\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03bc\u03b9\u03b1 \u03b1\u03c0\u03bb\u03ae \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03a4\u03bc\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c9\u03c2 \u03b2\u03b1\u03c3\u03b9\u03ba\u03cc \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03bf \u03bc\u03b1\u03c2:
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n
\u03a4\u03bc\u03ae\u03bc\u03b1 \u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1\u03c2 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 {
void printDepartmentName();
}<\/p>\n\n\n\n
Leaf Components (FinancialDepartment \u03ba\u03b1\u03b9 SalesDepartment): \u0391\u03c2 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03ac\u03be\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ac \u03c4\u03bc\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03bc\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03c9\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd, \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03b4\u03cd\u03bf \u03c4\u03b7 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03a4\u03bc\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2:
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03c4\u03ac\u03be\u03b7 FinancialDepartment \u03a4\u03bc\u03ae\u03bc\u03b1 \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03b5\u03af {
\/\/ \u039b\u03b5\u03c0\u03c4\u03bf\u03bc\u03ad\u03c1\u03b5\u03b9\u03b5\u03c2 \u03c5\u03bb\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 (\u03c0.\u03c7. \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc, \u03cc\u03bd\u03bf\u03bc\u03b1)
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf \u03ba\u03b5\u03bd\u03cc printDepartmentName() {
System.out.println(getClass().getSimpleName());
}
}<\/p>\n\n\n\n
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03c4\u03ac\u03be\u03b7 \u03a4\u03bc\u03ae\u03bc\u03b1 \u03a0\u03c9\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd \u03a4\u03bc\u03ae\u03bc\u03b1 \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c9\u03bd {
\/\/ \u039b\u03b5\u03c0\u03c4\u03bf\u03bc\u03ad\u03c1\u03b5\u03b9\u03b5\u03c2 \u03c5\u03bb\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 (\u03c0.\u03c7. \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc, \u03cc\u03bd\u03bf\u03bc\u03b1)
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf \u03ba\u03b5\u03bd\u03cc printDepartmentName() {
System.out.println(getClass().getSimpleName());
}
}<\/p>\n\n\n\n
\u0391\u03c5\u03c4\u03ad\u03c2 \u03bf\u03b9 \u03ba\u03bb\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c6\u03cd\u03bb\u03bb\u03c9\u03bd \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c4\u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf printDepartmentName() \u03ba\u03b1\u03b9 \u03b4\u03b5\u03bd \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03bf\u03c5\u03bd \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03c3\u03b5 \u03ac\u03bb\u03bb\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03a4\u03bc\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2.
Composite Element (HeadDepartment): \u03a9\u03c2 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b7 \u03ba\u03bb\u03ac\u03c3\u03b7, \u03b1\u03c2 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1 HeadDepartment \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03c9\u03bd \u03a4\u03bc\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2:
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n
\u03b5\u03b9\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae java.util.ArrayList;
\u03b5\u03b9\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae java.util.List;<\/p>\n\n\n\n
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03c4\u03ac\u03be\u03b7 HeadDepartment \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03a4\u03bc\u03ae\u03bc\u03b1 {
\u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03cc \u03b1\u03ba\u03ad\u03c1\u03b1\u03b9\u03bf \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc?
\u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03cc \u03cc\u03bd\u03bf\u03bc\u03b1 \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03bf\u03c3\u03b5\u03b9\u03c1\u03ac\u03c2;
\u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03ae \u03bb\u03af\u03c3\u03c4\u03b1 childDepartments;<\/p>\n\n\n
\n\t
\n\t\t
\n\t\t\t\n
\n
public HeadDepartment(Integer id, String name) {<\/div>
    this.id = id;<\/div>
    this.name = name;<\/div>
    this.childDepartments = new ArrayList<>();<\/div>
}<\/div>
<\/div>
public void printDepartmentName() {<\/div>
    childDepartments.forEach(Department::printDepartmentName);<\/div>
}<\/div>
<\/div>
public void addDepartment(Department department) {<\/div>
    childDepartments.add(department);<\/div>
}<\/div>
<\/div>
public void removeDepartment(Department department) {<\/div>
    childDepartments.remove(department);<\/div>
}<\/div><\/code><\/pre>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n
}<\/p>\n\n\n\n
\u0397 \u03ba\u03bb\u03ac\u03c3\u03b7 HeadDepartment \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf printDepartmentName() \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03b8\u03ae\u03ba\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c6\u03b1\u03af\u03c1\u03b5\u03c3\u03b7 \u03b8\u03c5\u03b3\u03b1\u03c4\u03c1\u03b9\u03ba\u03ce\u03bd \u03c4\u03bc\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd.
\u03a7\u03c1\u03ae\u03c3\u03b7: \u039c\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03af\u03b5\u03c2 \u03c4\u03bc\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03c6\u03cd\u03bb\u03bb\u03c9\u03bd (\u03c0.\u03c7. \u039f\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03cc \u03a4\u03bc\u03ae\u03bc\u03b1, \u03a4\u03bc\u03ae\u03bc\u03b1 \u03a0\u03c9\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd) \u03ba\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03bf \u03c4\u03bc\u03ae\u03bc\u03b1 (\u03c0.\u03c7. \u0394\u03b9\u03b5\u03c5\u03b8\u03c5\u03bd\u03c4\u03b9\u03ba\u03cc \u03a4\u03bc\u03ae\u03bc\u03b1). \u03a0\u03c1\u03bf\u03c3\u03b8\u03ad\u03c3\u03c4\u03b5 \u03c4\u03bc\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c6\u03cd\u03bb\u03bb\u03c9\u03bd \u03c3\u03c4\u03bf \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03bf \u03ba\u03b1\u03b9 \u03b5\u03ba\u03c4\u03c5\u03c0\u03ce\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03bf\u03bd\u03cc\u03bc\u03b1\u03c4\u03ac \u03c4\u03bf\u03c5\u03c2.
\u0399\u03ac\u03b2\u03b1<\/p>\n\n\n\n
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03c4\u03ac\u03be\u03b7 \u039a\u03cd\u03c1\u03b9\u03b1 {
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03cc \u03ba\u03b5\u03bd\u03cc main(String[] args) {
\u039f\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ac \u03a4\u03bc\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 = new FinancialDepartment();
\u03a4\u03bc\u03ae\u03bc\u03b1 \u03c0\u03c9\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd = new SalesDepartment();<\/p>\n\n\n\n
    HeadDepartment headDepartment = new HeadDepartment(1, "Company Departments");\n    headDepartment.addDepartment(finance);\n    headDepartment.addDepartment(sales);\n\n    headDepartment.printDepartmentName();\n}<\/code><\/pre>\n\n\n\n
}<\/p>\n\n\n\n
\u03a0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae:
\u039f\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03cc \u03a4\u03bc\u03ae\u03bc\u03b1
\u03a4\u03bc\u03ae\u03bc\u03b1 \u03a0\u03c9\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd<\/p>\n\n\n\n
\u03a4\u03bf \u03a3\u03cd\u03bd\u03b8\u03b5\u03c4\u03bf \u039c\u03bf\u03c4\u03af\u03b2\u03bf \u03c3\u03ac\u03c2 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03c4\u03b5 \u03b5\u03c5\u03ad\u03bb\u03b9\u03ba\u03c4\u03b5\u03c2 \u03b4\u03bf\u03bc\u03ad\u03c2 \u03b4\u03ad\u03bd\u03c4\u03c1\u03c9\u03bd \u03cc\u03c0\u03bf\u03c5
\u03bc\u03b5\u03bc\u03bf\u03bd\u03c9\u03bc\u03ad\u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 (\u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b1) \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03c9\u03c0\u03b9\u03c3\u03c4\u03bf\u03cd\u03bd \u03bf\u03bc\u03bf\u03b9\u03cc\u03bc\u03bf\u03c1\u03c6\u03b1.<\/p>\n\n\n\n
\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 HASH!!!<\/p>\n\n\n\n
\u039c\u03b9\u03b1 \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03b5\u03af\u03c3\u03bf\u03b4\u03bf (\u03ae “\u03bc\u03ae\u03bd\u03c5\u03bc\u03b1”) \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03bf\u03c3\u03b5\u03b9\u03c1\u03ac \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03ae\u03c1\u03c9\u03bd \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03bf\u03cd \u03bc\u03b5\u03b3\u03ad\u03b8\u03bf\u03c5\u03c2,
\u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03bc\u03b9\u03b1 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03af\u03b1 \u03b1\u03c1\u03b9\u03b8\u03bc\u03ce\u03bd \u03ba\u03b1\u03b9 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ac\u03c4\u03c9\u03bd. \u0391\u03c5\u03c4\u03ae \u03b7 \u03ad\u03be\u03bf\u03b4\u03bf\u03c2 \u03bf\u03bd\u03bf\u03bc\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 “\u03c4\u03b9\u03bc\u03ae \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd” \u03ae \u03b1\u03c0\u03bb\u03ac “\u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc\u03c2”.
\u039f\u03b9 \u03c3\u03c5\u03bd\u03b1\u03c1\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b7 \u03c4\u03c9\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03ba\u03c1\u03c5\u03c0\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1 \u03ba\u03b1\u03b9 \u03ad\u03c7\u03bf\u03c5\u03bd \u03bc\u03b5\u03c1\u03b9\u03ba\u03ad\u03c2 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2:<\/p>\n\n\n\n
=== \u03a0\u03ce\u03c2 \u03b8\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03c3\u03b1\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03ba\u03b1\u03b9 \u03c0\u03ce\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af;<\/p>\n\n\n\n
\u039d\u03c4\u03b5\u03c4\u03b5\u03c1\u03bc\u03b9\u03bd\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc: \u0397 \u03af\u03b4\u03b9\u03b1 \u03b5\u03af\u03c3\u03bf\u03b4\u03bf\u03c2 \u03b8\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03c4\u03bf\u03bd \u03af\u03b4\u03b9\u03bf \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc.<\/p>\n\n\n\n
\u0393\u03c1\u03ae\u03b3\u03bf\u03c1\u03b7: \u0397 \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03b9 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1 \u03c4\u03b7\u03bd \u03c4\u03b9\u03bc\u03ae \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03b3\u03b9\u03b1 \u03bf\u03c0\u03bf\u03b9\u03b1\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b7 \u03b5\u03af\u03c3\u03bf\u03b4\u03bf.
\u039c\u03bf\u03bd\u03b1\u03b4\u03b9\u03ba\u03cc (\u03c3\u03c7\u03b5\u03b4\u03cc\u03bd): \u0394\u03cd\u03bf \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03af\u03c3\u03bf\u03b4\u03bf\u03b9 \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03c5\u03bd \u03b4\u03b9\u03b1\u03ba\u03c1\u03b9\u03c4\u03bf\u03cd\u03c2 \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2 (\u03b1\u03c5\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03b3\u03bd\u03c9\u03c3\u03c4\u03cc \u03c9\u03c2 \u03b5\u03bb\u03b1\u03c7\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 “\u03c3\u03c5\u03b3\u03ba\u03c1\u03bf\u03cd\u03c3\u03b5\u03c9\u03bd”).
\u039c\u03b7 \u03b1\u03bd\u03b1\u03c3\u03c4\u03c1\u03ad\u03c8\u03b9\u03bc\u03bf: \u0394\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03b5\u03bd\u03cc\u03c2 \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd, \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03b1\u03bd\u03ad\u03c6\u03b9\u03ba\u03c4\u03bf \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03b9\u03c3\u03c4\u03b5\u03af \u03b7 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03b5\u03af\u03c3\u03bf\u03b4\u03bf\u03c2.
\u039f\u03bc\u03bf\u03b9\u03cc\u03bc\u03bf\u03c1\u03c6\u03b7: \u039f\u03b9 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03ba\u03b1\u03c4\u03b1\u03bd\u03ad\u03bc\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bf\u03bc\u03bf\u03b9\u03cc\u03bc\u03bf\u03c1\u03c6\u03b1 \u03c3\u03c4\u03bf \u03c7\u03ce\u03c1\u03bf \u03b5\u03be\u03cc\u03b4\u03bf\u03c5.<\/p>\n\n\n\n
\u039f\u03b9 \u03c3\u03c5\u03bd\u03b1\u03c1\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b5\u03c5\u03c1\u03ad\u03c9\u03c2 \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b5\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2, \u03cc\u03c0\u03c9\u03c2:<\/p>\n\n\n\n
\u0391\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd: \u0393\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03c3\u03b5\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b4\u03b5\u03bd \u03ad\u03c7\u03bf\u03c5\u03bd \u03b1\u03bb\u03bb\u03ac\u03be\u03b5\u03b9 \u03ae \u03c0\u03bb\u03b1\u03c3\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03b7\u03b8\u03b5\u03af, \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b9\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd.
\u0391\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7 \u03ba\u03c9\u03b4\u03b9\u03ba\u03ce\u03bd \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7\u03c2: \u0391\u03c3\u03c6\u03b1\u03bb\u03ae\u03c2 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7 \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03c9\u03b4\u03b9\u03ba\u03ce\u03bd \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7\u03c2 \u03b1\u03bd\u03c4\u03af \u03b3\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03ba\u03c9\u03b4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7\u03c2.
\u039a\u03c1\u03c5\u03c0\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1: \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ad\u03c2 \u03c5\u03c0\u03bf\u03b3\u03c1\u03b1\u03c6\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03bf\u03c5\u03c2 \u03ba\u03c1\u03c5\u03c0\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03bf\u03cd\u03c2 \u03b1\u03bb\u03b3\u03cc\u03c1\u03b9\u03b8\u03bc\u03bf\u03c5\u03c2.
\u03a0\u03af\u03bd\u03b1\u03ba\u03b5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd: \u0393\u03b9\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b1\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03c4\u03bf\u03bd \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc.<\/p>\n\n\n\n
=== \u0394\u03ce\u03c3\u03b5 \u03bc\u03bf\u03c5 \u03ad\u03bd\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 \u03c7\u03ac\u03c1\u03c4\u03b7 \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd, \u03c0\u03ce\u03c2 \u03b8\u03b1 \u03c4\u03bf\u03bd \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03c3\u03b5\u03c2;<\/p>\n\n\n\n
SHA (\u0391\u03c3\u03c6\u03b1\u03bb\u03ae\u03c2 \u03b1\u03bb\u03b3\u03cc\u03c1\u03b9\u03b8\u03bc\u03bf\u03c2 \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd):
\u03a0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03cc\u03c0\u03c9\u03c2 SHA-1, SHA-256, SHA-384 \u03ba\u03b1\u03b9 SHA-512.
\u03a4\u03b1 SHA-256 \u03ba\u03b1\u03b9 SHA-512 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b5\u03c5\u03c1\u03ad\u03c9\u03c2 \u03c3\u03c4\u03b7\u03bd \u03ba\u03c1\u03c5\u03c0\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 blockchain (\u03c0.\u03c7. Bitcoin).<\/p>\n\n\n\n
\u03b5\u03b9\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae java.security.MessageDigest;
\u03b5\u03b9\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae java.security.NoSuchAlgorithmException;<\/p>\n\n\n\n
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03c4\u03ac\u03be\u03b7 HashExample {
\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03cc \u03ba\u03b5\u03bd\u03cc main(String[] args) {
\u03b4\u03bf\u03ba\u03b9\u03bc\u03ac\u03c3\u03c4\u03b5 {
\/\/ \u0397 \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03bf\u03c3\u03b5\u03b9\u03c1\u03ac \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03b5\u03af
\u0395\u03b9\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03bf\u03c3\u03b5\u03b9\u03c1\u03ac\u03c2 = “\u0393\u03b5\u03b9\u03b1, \u03ba\u03cc\u03c3\u03bc\u03bf!”;<\/p>\n\n\n\n
        \/\/ Create a MessageDigest instance for SHA-256\n        MessageDigest digest = MessageDigest.getInstance("SHA-256");\n\n        \/\/ Compute the hash\n        byte[] hash = digest.digest(input.getBytes());\n\n        \/\/ Convert the hash bytes to a hexadecimal string\n        StringBuilder hexString = new StringBuilder();\n        for (byte b : hash) {\n            String hex = String.format("%02x", b);\n            hexString.append(hex);\n        }\n\n        \/\/ Print the resulting hash\n        System.out.println("SHA-256 Hash: " + hexString.toString());\n    } catch (NoSuchAlgorithmException e) {\n        System.err.println("Error: " + e.getMessage());\n    }\n}<\/code><\/pre>\n\n\n\n
}<\/p>\n\n\n\n
\u0394\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5: \u0397 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03b8\u03ad\u03bb\u03b5\u03c4\u03b5 \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03af\u03c3\u03b5\u03c4\u03b5.
\u0391\u03c1\u03c7\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 MessageDigest: \u0397 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5 MessageDigest \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf getInstance(“SHA-256”), \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03bf\u03bd \u03b1\u03bb\u03b3\u03cc\u03c1\u03b9\u03b8\u03bc\u03bf \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd SHA-256.
\u039a\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc\u03c2: \u0397 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03c3\u03cd\u03bd\u03bf\u03c8\u03b7\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03b5\u03b9 \u03c4\u03bf\u03bd \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5.
\u0394\u03b5\u03ba\u03b1\u03b5\u03be\u03b1\u03b4\u03b9\u03ba\u03ae \u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03bf\u03c0\u03ae: \u0395\u03c6\u03cc\u03c3\u03bf\u03bd \u03bf \u03ba\u03b1\u03c4\u03b1\u03ba\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b5 \u03b4\u03c5\u03b1\u03b4\u03b9\u03ba\u03ae \u03bc\u03bf\u03c1\u03c6\u03ae, \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bc\u03b5 \u03ad\u03bd\u03b1\u03bd \u03b2\u03c1\u03cc\u03c7\u03bf \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c4\u03bf\u03bd \u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03ad\u03c8\u03bf\u03c5\u03bc\u03b5 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03c0\u03b9\u03bf \u03b5\u03c5\u03b1\u03bd\u03ac\u03b3\u03bd\u03c9\u03c3\u03c4\u03b7 \u03b4\u03b5\u03ba\u03b1\u03b5\u03be\u03b1\u03b4\u03b9\u03ba\u03ae \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03bf\u03c3\u03b5\u03b9\u03c1\u03ac.<\/p>\n\n\n\n
\u0392\u03ac\u03bb\u03c4\u03b5 \u03ba\u03b1\u03b9 Patch; \u03a0\u03cc\u03c4\u03b5 \u03bd\u03b1 \u03c4\u03bf \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5;<\/p>\n\n\n\n
\u03a4\u03cc\u03c3\u03bf \u03c4\u03bf PUT \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03c4\u03bf PATCH \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03b9 HTTP \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03bd\u03b7\u03bc\u03ad\u03c1\u03c9\u03c3\u03b7 \u03c0\u03cc\u03c1\u03c9\u03bd \u03c3\u03b5 \u03ad\u03bd\u03b1\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03bc\u03b9\u03c3\u03c4\u03ae, \u03b1\u03bb\u03bb\u03ac \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf\u03bd \u03c4\u03c1\u03cc\u03c0\u03bf \u03bc\u03b5 \u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03c7\u03b5\u03b9\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b5\u03bd\u03b7\u03bc\u03b5\u03c1\u03ce\u03c3\u03b5\u03b9\u03c2:<\/p>\n\n\n\n
\u0392\u0391\u0396\u03a9:
\u03a0\u03bb\u03ae\u03c1\u03b7\u03c2 \u03b5\u03bd\u03b7\u03bc\u03ad\u03c1\u03c9\u03c3\u03b7:
\u03a4\u03bf PUT \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03bb\u03ae\u03c1\u03b7 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03bd\u03c4\u03bf\u03c2 \u03c0\u03cc\u03c1\u03bf\u03c5.
\u039f\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c2 \u03bf \u03c0\u03cc\u03c1\u03bf\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03c4\u03b1\u03bb\u03b5\u03af \u03c3\u03c4\u03bf \u03b1\u03af\u03c4\u03b7\u03bc\u03b1, \u03b1\u03ba\u03cc\u03bc\u03b1 \u03ba\u03b9 \u03b1\u03bd \u03bc\u03cc\u03bd\u03bf \u03ad\u03bd\u03b1 \u03bc\u03ad\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03b1\u03bb\u03bb\u03ac\u03b6\u03b5\u03b9.<\/p>\n\n\n\n
\u0395\u03ac\u03bd \u03bf \u03c0\u03cc\u03c1\u03bf\u03c2 \u03b4\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9, \u03c4\u03bf PUT \u03c4\u03bf\u03bd \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c3\u03c5\u03c7\u03bd\u03ac (\u03b1\u03bd \u03ba\u03b1\u03b9 \u03b1\u03c5\u03c4\u03ae \u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9).<\/p>\n\n\n\n
\u0391\u03bd\u03af\u03ba\u03b1\u03bd\u03bf\u03c2:<\/p>\n\n\n\n
\u039f\u03b9 \u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 PUT \u03bc\u03b5 \u03c4\u03b1 \u03af\u03b4\u03b9\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b8\u03b1 \u03bf\u03b4\u03b7\u03b3\u03bf\u03cd\u03bd \u03c0\u03ac\u03bd\u03c4\u03b1 \u03c3\u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03cc\u03c1\u03bf\u03c5.
\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1: \u0395\u03bd\u03b7\u03bc\u03ad\u03c1\u03c9\u03c3\u03b7 \u03c0\u03c1\u03bf\u03c6\u03af\u03bb \u03c7\u03c1\u03ae\u03c3\u03c4\u03b7:<\/p>\n\n\n\n
json
PUT \/users\/123
{
“\u03cc\u03bd\u03bf\u03bc\u03b1”: “\u0392\u03b5\u03bb\u03b9\u03c3\u03bb\u03ac\u03b2”,
“email”: “velislav@example.com”,
“\u03b7\u03bb\u03b9\u03ba\u03af\u03b1”: 30
}
\u0395\u03ac\u03bd \u03b1\u03bb\u03bb\u03ac\u03be\u03b5\u03b9 \u03bc\u03cc\u03bd\u03bf \u03c4\u03bf \u03cc\u03bd\u03bf\u03bc\u03b1 \u03b1\u03bb\u03bb\u03ac \u03c4\u03bf email \u03ba\u03b1\u03b9 \u03b7 \u03b7\u03bb\u03b9\u03ba\u03af\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03bf\u03c5\u03bd \u03af\u03b4\u03b9\u03b1, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b7\u03c6\u03b8\u03bf\u03cd\u03bd \u03c3\u03c4\u03bf \u03b1\u03af\u03c4\u03b7\u03bc\u03b1.<\/p>\n\n\n\n
PACH:
\u039c\u03b5\u03c1\u03b9\u03ba\u03ae \u03b5\u03bd\u03b7\u03bc\u03ad\u03c1\u03c9\u03c3\u03b7:<\/p>\n\n\n\n
\u03a4\u03bf PATCH \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03bc\u03b5\u03c1\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03b7\u03bc\u03ad\u03c1\u03c9\u03c3\u03b7\u03c2 \u03c3\u03b5 \u03ad\u03bd\u03b1\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1 \u03c0\u03cc\u03c1\u03bf.
\u039c\u03cc\u03bd\u03bf \u03c4\u03b1 \u03c0\u03b5\u03b4\u03af\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03bb\u03bb\u03ac\u03b6\u03bf\u03c5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03c3\u03c4\u03ad\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03b1\u03af\u03c4\u03b7\u03bc\u03b1.<\/p>\n\n\n\n
\u0391\u03bd\u03af\u03ba\u03b1\u03bd\u03bf\u03c2 (\u039a\u03c5\u03c1\u03af\u03c9\u03c2):<\/p>\n\n\n\n
\u038c\u03c0\u03c9\u03c2 \u03c4\u03bf PUT, \u03bf\u03b9 \u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 PATCH \u03bc\u03b5 \u03c4\u03b1 \u03af\u03b4\u03b9\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b3\u03b5\u03bd\u03b9\u03ba\u03ac \u03c9\u03c2 \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03cc\u03c1\u03bf\u03c5.
\u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c5\u03bb\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b4\u03b9\u03b1\u03ba\u03bf\u03bc\u03b9\u03c3\u03c4\u03ae.<\/p>\n\n\n\n
\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1: \u0395\u03bd\u03b7\u03bc\u03ad\u03c1\u03c9\u03c3\u03b7 \u03bc\u03cc\u03bd\u03bf \u03c4\u03bf\u03c5 \u03bf\u03bd\u03cc\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b7:<\/p>\n\n\n\n
json
PATCH \/users\/123
{
“\u03cc\u03bd\u03bf\u03bc\u03b1”: “\u0392\u03b5\u03bb\u03b9\u03c3\u03bb\u03ac\u03b2”
}
\u0395\u03b4\u03ce, \u03bc\u03cc\u03bd\u03bf \u03c4\u03bf \u03c0\u03b5\u03b4\u03af\u03bf \u03bf\u03bd\u03cc\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03bd\u03b7\u03bc\u03b5\u03c1\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9, \u03b1\u03c6\u03ae\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b1 \u03ac\u03bb\u03bb\u03b1 \u03c0\u03b5\u03b4\u03af\u03b1 \u03b1\u03bc\u03b5\u03c4\u03ac\u03b2\u03bb\u03b7\u03c4\u03b1.<\/p>\n\n\n\n
\u0392\u03b1\u03c3\u03b9\u03ba\u03ae \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac:
\u03a4\u03bf PUT \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ac \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf \u03c4\u03bf\u03bd \u03c0\u03cc\u03c1\u03bf, \u03b5\u03bd\u03ce \u03c4\u03bf PATCH \u03c4\u03c1\u03bf\u03c0\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03bc\u03cc\u03bd\u03bf \u03ba\u03b1\u03b8\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03c0\u03b5\u03b4\u03af\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03cc\u03c1\u03bf\u03c5.<\/p>\n\n\n\n
\u039c\u03ad\u03b8\u03bf\u03b4\u03bf\u03b9 HTTP \u03bc\u03b5 \u03c3\u03cd\u03bd\u03c4\u03bf\u03bc\u03b7 \u03c0\u03b5\u03c1\u03b9\u03b3\u03c1\u03b1\u03c6\u03ae.<\/strong><\/p>\n\n\n\n
GET: \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03bc\u03b9\u03c3\u03c4\u03ae \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03c4\u03b1 \u03c4\u03c1\u03bf\u03c0\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5. \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7 \u03c0\u03cc\u03c1\u03c9\u03bd \u03ae \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03b9\u03ce\u03bd.
POST: \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03c3\u03c4\u03bf\u03bb\u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03c4\u03bf\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03bc\u03b9\u03c3\u03c4\u03ae, \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03bd\u03ad\u03bf\u03c5 \u03c0\u03cc\u03c1\u03bf\u03c5. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03b7 \u03c5\u03c0\u03bf\u03b2\u03bf\u03bb\u03ae \u03bc\u03b9\u03b1\u03c2 \u03c6\u03cc\u03c1\u03bc\u03b1\u03c2 \u03ae \u03b7 \u03bc\u03b5\u03c4\u03b1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03b1\u03c1\u03c7\u03b5\u03af\u03bf\u03c5.
PUT: \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03bd\u03b7\u03bc\u03ad\u03c1\u03c9\u03c3\u03b7 \u03ae \u03c4\u03b7\u03bd \u03c0\u03bb\u03ae\u03c1\u03b7 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03bd\u03c4\u03bf\u03c2 \u03c0\u03cc\u03c1\u03bf\u03c5 \u03c3\u03c4\u03bf \u03b4\u03b9\u03b1\u03ba\u03bf\u03bc\u03b9\u03c3\u03c4\u03ae. \u0395\u03ac\u03bd \u03bf \u03c0\u03cc\u03c1\u03bf\u03c2 \u03b4\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b7\u03b8\u03b5\u03af.
PATCH: \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03bc\u03b5\u03c1\u03b9\u03ba\u03ad\u03c2 \u03b5\u03bd\u03b7\u03bc\u03b5\u03c1\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c3\u03b5 \u03ad\u03bd\u03b1\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1 \u03c0\u03cc\u03c1\u03bf, \u03c4\u03c1\u03bf\u03c0\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03bc\u03cc\u03bd\u03bf \u03c4\u03b1 \u03ba\u03b1\u03b8\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03c0\u03b5\u03b4\u03af\u03b1.
DELETE: \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae \u03b5\u03bd\u03cc\u03c2 \u03c0\u03cc\u03c1\u03bf\u03c5 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03bc\u03b9\u03c3\u03c4\u03ae.
HEAD: \u03a0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03bf \u03bc\u03b5 \u03c4\u03bf GET, \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7 \u03ba\u03b5\u03c6\u03b1\u03bb\u03af\u03b4\u03c9\u03bd \u03c7\u03c9\u03c1\u03af\u03c2 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03c0\u03cc\u03c1\u03bf\u03c5.
\u0395\u03a0\u0399\u039b\u039f\u0393\u0395\u03a3: \u039b\u03ad\u03b5\u03b9 \u03c0\u03bf\u03b9\u03b5\u03c2 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03b9 HTTP \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03b1\u03b9.
TRACE: \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03ba\u03c5\u03c1\u03af\u03c9\u03c2 \u03b3\u03b9\u03b1 \u03b4\u03b9\u03b1\u03b3\u03bd\u03c9\u03c3\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c3\u03ba\u03bf\u03c0\u03bf\u03cd\u03c2, \u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf \u03b1\u03af\u03c4\u03b7\u03bc\u03b1 \u03c0\u03af\u03c3\u03c9 \u03c3\u03c4\u03bf\u03bd \u03c0\u03b5\u03bb\u03ac\u03c4\u03b7
CONNECT: \u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03bc\u03b9\u03b1 \u03c3\u03ae\u03c1\u03b1\u03b3\u03b3\u03b1 \u03c3\u03c4\u03bf\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03bc\u03b9\u03c3\u03c4\u03ae, \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c5\u03c7\u03bd\u03ac \u03b3\u03b9\u03b1 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03b9\u03c2 SSL\/TLS.<\/p>\n\n\n\n
========== \u039b\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ae \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae ====================================<\/p>\n\n\n\n
\u039c\u03b9\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ae \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03c3\u03c4\u03b7 Java \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ce\u03c2 \u03bc\u03b9\u03b1 \u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf. \u0391\u03c5\u03c4\u03ad\u03c2 \u03bf\u03b9 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ad\u03c2 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03ba\u03c5\u03c1\u03af\u03c9\u03c2 \u03c3\u03b5 \u03b5\u03ba\u03c6\u03c1\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bb\u03ac\u03bc\u03b4\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03c9\u03bd, \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c0\u03b9\u03bf \u03c3\u03c5\u03bd\u03bf\u03c0\u03c4\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03b5\u03c5\u03b1\u03bd\u03ac\u03b3\u03bd\u03c9\u03c3\u03c4\u03bf \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc.<\/p>\n\n\n\n
\u0392\u03b1\u03c3\u03b9\u03ba\u03ac \u03a7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac:<\/h3>\n\n\n\n
    \n
  1. \u0395\u03bd\u03b9\u03b1\u03af\u03b1 \u0391\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7 \u039c\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2<\/strong>: \u039c\u03b9\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ae \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03ad\u03c7\u03b5\u03b9 \u03bc\u03cc\u03bd\u03bf \u03bc\u03af\u03b1 \u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf. \u0391\u03c5\u03c4\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03bf\u03c5\u03c3\u03af\u03b1 \u03c4\u03b7\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03ac\u03c2 \u03c4\u03bf\u03c5.<\/li>\n\n\n\n
  2. \u03a0\u03c1\u03bf\u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03b9<\/strong>: \u039f\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ad\u03c2 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd \u03c0\u03c1\u03bf\u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2, \u03b1\u03bb\u03bb\u03ac \u03b1\u03c5\u03c4\u03ad\u03c2 \u03b4\u03b5\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03b7 \u03bc\u03bf\u03bd\u03b1\u03b4\u03b9\u03ba\u03ae \u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2.<\/li>\n\n\n\n
  3. \u03a3\u03c7\u03bf\u03bb\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 @FunctionalInterface<\/strong>: \u0391\u03bd \u03ba\u03b1\u03b9 \u03b1\u03c5\u03c4\u03cc\u03c2 \u03bf \u03c3\u03c7\u03bf\u03bb\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03c1\u03bf\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03cc\u03c2, \u03b2\u03bf\u03b7\u03b8\u03ac\u03b5\u03b9 \u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03cc\u03c4\u03b9 \u03b7 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03c0\u03c1\u03bf\u03bf\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ae. \u0395\u03ac\u03bd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b5\u03b8\u03bf\u03cd\u03bd \u03c0\u03c1\u03cc\u03c3\u03b8\u03b5\u03c4\u03b5\u03c2 \u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b5\u03c2 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03b9 \u03c3\u03c4\u03b7 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae, \u03bf \u03bc\u03b5\u03c4\u03b1\u03b3\u03bb\u03c9\u03c4\u03c4\u03b9\u03c3\u03c4\u03ae\u03c2 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af \u03ad\u03bd\u03b1 \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1.<\/li>\n<\/ol>\n\n\n\n
    \u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1:<\/h3>\n\n\n
    \n\t
    \n\t\t
    \n\t\t\t\n
    \n
    @FunctionalInterface<\/div>
    interface Calculator {<\/div>
        int calculate(int a, int b);<\/div>
    }<\/div>
    <\/div>
    \/\/ Using lambda expression<\/div>
    public class Main {<\/div>
        public static void main(String[] args) {<\/div>
            \/\/ Implementing the calculate method using a lambda<\/div>
            Calculator addition = (a, b) -> a + b;<\/div>
            Calculator multiplication = (a, b) -> a * b;<\/div>
    <\/div>
            System.out.println("Addition: " + addition.calculate(5, 3));  \/\/ Output: 8<\/div>
            System.out.println("Multiplication: " + multiplication.calculate(5, 3));  \/\/ Output: 15<\/div>
        }<\/div>
    }<\/div><\/code><\/pre>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n
    \u03a0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7\u03c2:<\/h3>\n\n\n\n
    \u039f Calculator<\/code> \u0397 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03c3\u03c4\u03bf \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03b5\u03bd\u03b9\u03b1\u03af\u03b1 \u03b1\u03c6\u03b7\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf calculate<\/code>, \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf \u03bc\u03b9\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ae \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae.
    \u0391\u03c5\u03c4\u03cc \u03bc\u03b1\u03c2 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bc\u03b5 \u03b5\u03ba\u03c6\u03c1\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bb\u03ac\u03bc\u03b4\u03b1 \u03b3\u03b9\u03b1 \u03c3\u03c5\u03bd\u03c4\u03bf\u03bc\u03af\u03b1 \u03ba\u03b1\u03b9 \u03ba\u03bf\u03bc\u03c8\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c3\u03c4\u03b7\u03bd \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae.<\/p>\n\n\n\n
    \u039a\u03bf\u03b9\u03bd\u03ad\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ad\u03c2 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ad\u03c2 \u03c3\u03b5 Java:<\/h3>\n\n\n\n
    \u0397 Java \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03c0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03b5\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03c9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ad\u03c2 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ad\u03c2 \u03c3\u03c4\u03bf java.util.function<\/code> \u03c0\u03b1\u03ba\u03ad\u03c4\u03b1, \u03cc\u03c0\u03c9\u03c2:<\/p>\n\n\n\n
      \n
    • \u039a\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf<\/strong>: \u039b\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03b5\u03af\u03c3\u03bf\u03b4\u03bf \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03b9 \u03ad\u03bd\u03b1 boolean.<\/li>\n\n\n\n
    • \u039b\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1<\/strong>: \u039b\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03b5\u03af\u03c3\u03bf\u03b4\u03bf \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03ad\u03be\u03bf\u03b4\u03bf \u03c4\u03cd\u03c0\u03bf\u03c5 R.<\/li>\n\n\n\n
    • \u03a0\u03c1\u03bf\u03bc\u03b7\u03b8\u03b5\u03c5\u03c4\u03ae\u03c2<\/strong>: \u03a0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c4\u03b9\u03bc\u03ae \u03c7\u03c9\u03c1\u03af\u03c2 \u03b5\u03b9\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae.<\/li>\n\n\n\n
    • \u039a\u03b1\u03c4\u03b1\u03bd\u03b1\u03bb\u03c9\u03c4\u03ae\u03c2<\/strong>: \u0391\u03c0\u03bf\u03b4\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03c4\u03b9\u03bc\u03ae \u03ba\u03b1\u03b9 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af \u03bc\u03b9\u03b1 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1.<\/li>\n<\/ul>\n\n\n\n
      \u039f\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ad\u03c2 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ad\u03c2 \u03b1\u03c0\u03bb\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c4\u03b9\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b5\u03c2, \u03b5\u03b9\u03b4\u03b9\u03ba\u03ac \u03c3\u03b5 \u03c3\u03b5\u03bd\u03ac\u03c1\u03b9\u03b1 \u03cc\u03c0\u03c9\u03c2 \u03b7 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03bc\u03b5 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ad\u03c2, \u03c1\u03bf\u03ad\u03c2 \u03ae \u03b1\u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b5\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b5\u03c2.<\/p>\n\n\n\n
      \u0395\u03be\u03bf\u03c5\u03c3\u03b9\u03bf\u03b4\u03bf\u03c4\u03bf\u03cd\u03bd \u03c4\u03b7\u03bd Java \u03bd\u03b1 \u03c5\u03b9\u03bf\u03b8\u03b5\u03c4\u03ae\u03c3\u03b5\u03b9 \u03c0\u03b1\u03c1\u03b1\u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03bf\u03cd \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03b9\u03bc\u03b5\u03bd\u03bf\u03c3\u03c4\u03c1\u03b1\u03c6\u03ae \u03c6\u03cd\u03c3\u03b7 \u03c4\u03b7\u03c2.<\/h2>\n\n\n\n
      ==============================================================
      \u039c\u03b9\u03b1 \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03c5\u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7\u03c2 \u03c4\u03ac\u03be\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03b5\u03af\u03c4\u03b5 \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03c3\u03c5\u03bd\u03b1\u03c1\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c9\u03c2 \u03bf\u03c1\u03af\u03c3\u03bc\u03b1\u03c4\u03b1 \u03b5\u03af\u03c4\u03b5 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03c9\u03c2 \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1. \u039c\u03b5 \u03ac\u03bb\u03bb\u03b1 \u03bb\u03cc\u03b3\u03b9\u03b1, \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c3\u03b5 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b5\u03c2, \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03c9\u03c0\u03af\u03b6\u03bf\u03bd\u03c4\u03ac\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03c9\u03c2 \u00ab\u03c0\u03bf\u03bb\u03af\u03c4\u03b5\u03c2 \u03c0\u03c1\u03ce\u03c4\u03b7\u03c2 \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b1\u03c2\u00bb. \u0391\u03c5\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b9\u03c3\u03c7\u03c5\u03c1\u03cc \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc \u03c3\u03b5 \u03c0\u03b1\u03c1\u03b1\u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03bf\u03cd \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd, \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c6\u03b1\u03af\u03c1\u03b5\u03c3\u03b7, \u03c4\u03b7\u03bd \u03b5\u03c0\u03b1\u03bd\u03b1\u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c3\u03b7.<\/p>\n\n\n\n
      \u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7\u03c2 \u03c5\u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7\u03c2 \u03c4\u03ac\u03be\u03b7\u03c2 \u03c3\u03b5 Java:<\/h3>\n\n\n
      \n\t
      \n\t\t
      \n\t\t\t\n
      \n
      import java.util.function.Function;<\/div>
      <\/div>
      public class Main {<\/div>
          public static void main(String[] args) {<\/div>
              \/\/ Higher-order function: applies a function to a value<\/div>
              Function<Integer, Integer> squareFunction = x -> x * x;<\/div>
              int result = applyFunction(5, squareFunction);<\/div>
              System.out.println("Square of 5: " + result);  \/\/ Output: 25<\/div>
          }<\/div>
      <\/div>
          public static int applyFunction(int value, Function<Integer, Integer> function) {<\/div>
              return function.apply(value);<\/div>
          }<\/div>
      }<\/div><\/code><\/pre>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n
      \u03a3\u03c4\u03bf \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1:<\/p>\n\n\n\n
        \n
      • \u039f applyFunction<\/code> \u0397 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03c5\u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7\u03c2 \u03c4\u03ac\u03be\u03b7\u03c2 \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03b4\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03ac\u03bb\u03bb\u03b7 \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 (Function<Integer, Integer><\/code>) \u03c9\u03c2 \u03c0\u03b1\u03c1\u03ac\u03bc\u03b5\u03c4\u03c1\u03bf\u03c2.<\/li>\n<\/ul>\n\n\n\n
        \u03a7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac:<\/h3>\n\n\n\n
          \n
        1. \u0394\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b1\u03c1\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c9\u03c2 \u03bf\u03c1\u03af\u03c3\u03bc\u03b1\u03c4\u03b1<\/strong>: \u039f\u03b9 \u03c3\u03c5\u03bd\u03b1\u03c1\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c5\u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7\u03c2 \u03c4\u03ac\u03be\u03b7\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03bb\u03ac\u03b2\u03bf\u03c5\u03bd \u03ac\u03bb\u03bb\u03b5\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b5\u03c2 \u03c9\u03c2 \u03b5\u03af\u03c3\u03bf\u03b4\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03c9\u03bd \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ce\u03bd.<\/li>\n\n\n\n
        2. \u0395\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ad\u03c2 \u039b\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b5\u03c2<\/strong>: \u039c\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03bf\u03c5\u03bd \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ad\u03c8\u03bf\u03c5\u03bd \u03bd\u03ad\u03b5\u03c2 \u03c3\u03c5\u03bd\u03b1\u03c1\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ac.<\/li>\n\n\n\n
        3. \u0395\u03bd\u03b8\u03b1\u03c1\u03c1\u03cd\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u0395\u03c0\u03b1\u03bd\u03b1\u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u039a\u03ce\u03b4\u03b9\u03ba\u03b1<\/strong>: \u03a0\u03c1\u03bf\u03c9\u03b8\u03b5\u03af \u03c4\u03bf\u03bd \u03b1\u03c1\u03b8\u03c1\u03c9\u03c4\u03cc \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b9\u03bc\u03bf \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03bf\u03b9 \u03c3\u03c5\u03bd\u03b1\u03c1\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b4\u03bf\u03b8\u03bf\u03cd\u03bd \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03bd\u03c4\u03b5\u03b8\u03bf\u03cd\u03bd \u03bc\u03b1\u03b6\u03af.<\/li>\n<\/ol>\n\n\n\n
          \u03a0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7\u03c2:<\/h3>\n\n\n\n
          \u03a3\u03c4\u03b7\u03bd Java, \u03bf\u03b9 \u03c3\u03c5\u03bd\u03b1\u03c1\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c5\u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7\u03c2 \u03c4\u03ac\u03be\u03b7\u03c2 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03c3\u03c4\u03bf\u03bd \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc \u03bc\u03b5 \u03c1\u03bf\u03ad\u03c2, \u03bb\u03ac\u03bc\u03b4\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03c9\u03bd. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1:<\/p>\n\n\n
          \n\t
          \n\t\t
          \n\t\t\t\n
          \n
          List<String> names = Arrays.asList("John", "Jane", "Jake");<\/div>
          names.stream()<\/div>
               .filter(name -> name.startsWith("J"))  \/\/ Takes a lambda function as argument<\/div>
               .forEach(System.out::println);         \/\/ Takes a method reference as argument<\/div><\/code><\/pre>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n
          \u039f\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b5\u03c2 \u03c5\u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7\u03c2 \u03c4\u03ac\u03be\u03b7\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03b5\u03c5\u03b5\u03bb\u03b9\u03be\u03af\u03b1 \u03ba\u03b1\u03b9 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c3\u03c4\u03b1 \u03c0\u03c1\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03b1 Java, \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03ad\u03c2 \u03bd\u03b1 \u03b3\u03c1\u03ac\u03c6\u03bf\u03c5\u03bd \u03ba\u03b1\u03b8\u03b1\u03c1\u03cc, \u03c3\u03c5\u03bd\u03bf\u03c0\u03c4\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03b5\u03ba\u03c6\u03c1\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1!<\/h2>\n\n\n\n
          \u039f\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03c3\u03cd\u03bd\u03bf\u03bb\u03b1 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03c9\u03bd \u03c3\u03b5 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b5\u03bd\u03c4\u03b5\u03cd\u03be\u03b5\u03b9\u03c2 \u03b5\u03b4\u03ce.<\/p>\n\n\n\n
            \n
          • \u039a\u03b1\u03c4\u03b1\u03bd\u03bf\u03b5\u03af \u03b2\u03b1\u03c3\u03b9\u03ba\u03ac \u03cc\u03c0\u03c9\u03c2 \u03bf \u03c0\u03bf\u03bb\u03c5\u03bc\u03bf\u03c1\u03c6\u03b9\u03c3\u03bc\u03cc\u03c2, \u03bf\u03b9 \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03bf String pool<\/li>\n\n\n\n
          • \u03b5\u03be\u03bf\u03b9\u03ba\u03b5\u03b9\u03c9\u03bc\u03ad\u03bd\u03bf\u03b9 \u03bc\u03b5 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ad\u03c2 (\u03c0.\u03c7. HashSet, TreeSet) \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c7\u03c1\u03ae\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5\u03c2.<\/li>\n\n\n\n
          • \u03a0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03af\u03b6\u03b5\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ac \u03c4\u03b1 \u03c0\u03b5\u03b4\u03af\u03b1 bean (singleton, \u03c0\u03c1\u03c9\u03c4\u03cc\u03c4\u03c5\u03c0\u03bf)<\/li>\n\n\n\n
          • \u0393\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7\u03bd \u03ad\u03bd\u03b5\u03c3\u03b7 \u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03bd \u03c3\u03ba\u03bf\u03c0\u03cc \u03c4\u03b7\u03c2.<\/li>\n\n\n\n
          • \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03b9 \u03c0\u03ce\u03c2 \u03bd\u03b1 \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c3\u03c7\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03bb\u03bb\u03ac \u03c0\u03c1\u03bf\u03c2 \u03c0\u03bf\u03bb\u03bb\u03ac \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c0\u03af\u03bd\u03b1\u03ba\u03b5\u03c2 \u03b4\u03b9\u03b1\u03c3\u03c4\u03b1\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2.<\/li>\n\n\n\n
          • \u039a\u03b1\u03c4\u03b1\u03bd\u03bf\u03b5\u03af \u03c4\u03bf \u03c3\u03ba\u03bf\u03c0\u03cc \u03c4\u03c9\u03bd \u03b5\u03c5\u03c1\u03b5\u03c4\u03b7\u03c1\u03af\u03c9\u03bd (\u03b1\u03bd \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03c6\u03b1\u03bd\u03b5\u03b9\u03b1\u03ba\u03ac)<\/li>\n\n\n\n
          • \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03ba\u03ac\u03bd\u03b5\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03bc\u03bf\u03bd\u03bf\u03bb\u03b9\u03b8\u03b9\u03ba\u03ce\u03bd \u03ba\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03bf\u03cb\u03c0\u03b7\u03c1\u03b5\u03c3\u03b9\u03ce\u03bd \u03b1\u03c1\u03c7\u03b9\u03c4\u03b5\u03ba\u03c4\u03bf\u03bd\u03b9\u03ba\u03ce\u03bd<\/li>\n\n\n\n
          • \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03b5\u03af \u03b2\u03b1\u03c3\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c3\u03c5\u03bc\u03b2\u03b9\u03b2\u03b1\u03c3\u03bc\u03bf\u03cd\u03c2 (\u03b5\u03c0\u03b5\u03ba\u03c4\u03b1\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1, \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2)<\/li>\n\n\n\n
          • \u03c0\u03b1\u03c1\u03b5\u03be\u03b7\u03b3\u03b5\u03af \u03c4\u03bf Liskov Substitution Principle and Dependency Inversion<\/li>\n\n\n\n
          • \u0391\u03b3\u03c9\u03bd\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03b4\u03ce\u03c3\u03b5\u03b9 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u0391\u03c1\u03c7\u03ae \u03c4\u03bf\u03c5 \u0391\u03bd\u03bf\u03b9\u03c7\u03c4\u03bf\u03cd\/\u039a\u03bb\u03b5\u03b9\u03c3\u03c4\u03bf\u03cd.<\/li>\n\n\n\n
          • \u0394\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03b2\u03ac\u03b8\u03bf\u03c2 \u03c3\u03c4\u03b7 \u03b4\u03b9\u03b1\u03c7\u03b5\u03af\u03c1\u03b9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03ba\u03cd\u03ba\u03bb\u03bf\u03c5 \u03b6\u03c9\u03ae\u03c2 \u03c4\u03c9\u03bd \u03c6\u03b1\u03c3\u03bf\u03bb\u03b9\u03ce\u03bd<\/li>\n\n\n\n
          • \u0391\u03c3\u03b1\u03c6\u03ae\u03c2 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03b7\u03bd \u03ad\u03b3\u03c7\u03c5\u03c3\u03b7 \u03c0\u03c1\u03bf\u03c7\u03c9\u03c1\u03b7\u03bc\u03ad\u03bd\u03b7\u03c2 \u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7\u03c2<\/li>\n\n\n\n
          • \u03b5\u03c0\u03b9\u03c6\u03b1\u03bd\u03b5\u03b9\u03b1\u03ba\u03ae \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b5\u03c5\u03c1\u03b5\u03c4\u03b7\u03c1\u03af\u03c9\u03bd (\u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b1 \u03b5\u03c5\u03c1\u03b5\u03c4\u03ae\u03c1\u03b9\u03b1, \u03b2\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b5\u03c1\u03c9\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd)<\/li>\n\n\n\n
          • \u0394\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03be\u03bf\u03b9\u03ba\u03b5\u03b9\u03c9\u03bc\u03ad\u03bd\u03bf\u03b9 \u03bc\u03b5 \u03c4\u03b1 \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03b1 \u03b1\u03c0\u03bf\u03bc\u03cc\u03bd\u03c9\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b1\u03b9\u03c3\u03b9\u03cc\u03b4\u03bf\u03be\u03bf\/\u03b1\u03c0\u03b1\u03b9\u03c3\u03b9\u03cc\u03b4\u03bf\u03be\u03bf \u03ba\u03bb\u03b5\u03af\u03b4\u03c9\u03bc\u03b1<\/li>\n<\/ul>\n\n\n\n
            \u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1:<\/p>\n\n\n\n
              \n
            • \u0395\u03c1\u03b3\u03ac\u03c3\u03c4\u03b7\u03ba\u03b5 \u03bc\u03b5 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1 \u03c0\u03b1\u03bb\u03b1\u03b9\u03bf\u03cd \u03c4\u03cd\u03c0\u03bf\u03c5 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03c4\u03b5\u03c1\u03ac\u03c3\u03c4\u03b9\u03bf \u03ba\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd\u03c0\u03bb\u03bf\u03ba\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1<\/li>\n\n\n\n
            • \u0393\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03b9 \u03a3\u03a4\u0395\u03a1\u0395\u0391<\/li>\n\n\n\n
            • \u0393\u03bd\u03ce\u03c3\u03b7 \u03c1\u03bf\u03ce\u03bd<\/li>\n\n\n\n
            • \u0395\u03c0\u03b5\u03be\u03b7\u03b3\u03b7\u03bc\u03ad\u03bd\u03b1 \u03b4\u03b5\u03af\u03ba\u03c4\u03b5\u03c2 \u03ba\u03b1\u03b9 ACID<\/li>\n\n\n\n
            • \u039a\u03b1\u03bb\u03cc \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03b1\u03b3\u03b3\u03bb\u03b9\u03ba\u03ce\u03bd
              \u039c\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1:<\/li>\n\n\n\n
            • \u039a\u03b1\u03bc\u03af\u03b1 \u03b5\u03c5\u03b8\u03cd\u03bd\u03b7 \u03b3\u03b9\u03b1 \u03b1\u03bd\u03ac\u03c0\u03c4\u03c5\u03be\u03b7 \u03ae \u03c5\u03c0\u03bf\u03b4\u03bf\u03bc\u03ae, \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03bf\u03c7\u03ae \u03c3\u03c4\u03bf\u03bd \u03b1\u03c1\u03c7\u03b9\u03c4\u03b5\u03ba\u03c4\u03bf\u03bd\u03b9\u03ba\u03cc \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03cc<\/li>\n\n\n\n
            • \u0388\u03c7\u03b5\u03b9 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b1 \u03b3\u03bd\u03ce\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b1\u03c1\u03c7\u03ce\u03bd \u03c4\u03bf\u03c5 OOP, \u03b1\u03bb\u03bb\u03ac \u03b4\u03c5\u03c3\u03ba\u03bf\u03bb\u03b5\u03cd\u03c4\u03b7\u03ba\u03b5 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03bd\u03b1 \u03c4\u03b9\u03c2 \u03b5\u03be\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03ad\u03ba\u03b1\u03bd\u03b5 \u03bb\u03ac\u03b8\u03bf\u03c2 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b5\u03c2 \u03ad\u03bd\u03bd\u03bf\u03b9\u03b5\u03c2<\/li>\n\n\n\n
            • \u0393\u03b5\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b3\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ce\u03bd \u03b1\u03bb\u03bb\u03ac \u03ad\u03c7\u03b5\u03b9 \u03ba\u03b5\u03bd\u03ac \u03ba\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03b1\u03b2\u03ad\u03b2\u03b1\u03b9\u03bf<\/li>\n\n\n\n
            • \u0394\u03b5\u03bd \u03ba\u03b1\u03c4\u03b1\u03bb\u03b1\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c3\u03c5\u03b3\u03c7\u03c1\u03bf\u03bd\u03b9\u03c3\u03bc\u03bf\u03cd \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd, \u03cc\u03c7\u03b9 \u03c0\u03bf\u03bb\u03cd \u03b9\u03c3\u03c7\u03c5\u03c1\u03ae \u03b3\u03bd\u03ce\u03c3\u03b7 \u03c3\u03c5\u03b3\u03c7\u03c1\u03bf\u03bd\u03b9\u03c3\u03bc\u03bf\u03cd<\/li>\n\n\n\n
            • \u0394\u03b5\u03bd \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b1 \u03c0\u03bf\u03bb\u03cd \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03c4\u03b5\u03ba\u03c4\u03bf\u03bd\u03b9\u03ba\u03ae \u03bc\u03b9\u03ba\u03c1\u03bf\u03cb\u03c0\u03b7\u03c1\u03b5\u03c3\u03b9\u03ce\u03bd<\/li>\n\n\n\n
            • \u0391\u03cc\u03c1\u03b9\u03c3\u03c4\u03b5\u03c2 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03ad\u03bd\u03bd\u03bf\u03b9\u03b5\u03c2 \u03c4\u03b7\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd (\u03b7 \u03c3\u03c5\u03b6\u03ae\u03c4\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b5\u03c5\u03c1\u03b5\u03c4\u03b7\u03c1\u03af\u03c9\u03bd \u03ae\u03c4\u03b1\u03bd \u03c3\u03b5 \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2)<\/li>\n\n\n\n
            • \u0394\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b1 \u03bd\u03b1 \u03b5\u03be\u03b7\u03b3\u03ae\u03c3\u03c9 \u03c4\u03bf livelock<\/li>\n\n\n\n
            • \u03a4\u03b1 \u03ba\u03b5\u03bd\u03ac \u03c4\u03b5\u03bb\u03b9\u03ba\u03ac \u03b5\u03bc\u03c0\u03bf\u03b4\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7<\/li>\n\n\n\n
            • \u03a0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b7 \u03b3\u03bd\u03ce\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b5\u03b9\u03b4\u03b9\u03ba\u03ce\u03bd \u03c7\u03b5\u03b9\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd \u03b5\u03be\u03b1\u03b9\u03c1\u03ad\u03c3\u03b5\u03c9\u03bd<\/li>\n\n\n\n
            • \u03a3\u03cd\u03b3\u03c7\u03c5\u03c3\u03b7 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03c4\u03c1\u03bf\u03c0\u03bf\u03c0\u03bf\u03b9\u03b7\u03c4\u03ad\u03c2 \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7\u03c2 (\u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03bc\u03ad\u03bd\u03bf \u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03a0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b9\u03ba\u03bf\u03cd \u03c0\u03b1\u03ba\u03ad\u03c4\u03bf\u03c5)
              \u0397 \u03c3\u03c5\u03bd\u03b1\u03b9\u03bd\u03b5\u03c4\u03b9\u03ba\u03ae \u03b3\u03bd\u03ce\u03bc\u03b7 \u2026..\u03b5\u03af\u03bd\u03b1\u03b9
              \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03ae Mid-Java \u03bb\u03cc\u03b3\u03c9 \u03c4\u03c9\u03bd \u03ba\u03b5\u03bd\u03ce\u03bd \u03c3\u03c4\u03b9\u03c2 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u03c4\u03bf\u03c5 \u03b3\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2.<\/li>\n<\/ul>\n\n\n\n
              \u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1
              \u0395\u03be\u03ae\u03b3\u03b7\u03c3\u03b5 \u03a3\u03a4\u0395\u03a1\u0395\u0391 \u03ba\u03b1\u03bb\u03ac
              \u0395\u03be\u03ae\u03b3\u03b7\u03c3\u03b5 \u03ba\u03b1\u03bb\u03ac
              \u0395\u03c0\u03b5\u03be\u03b7\u03b3\u03b7\u03bc\u03ad\u03bd\u03b7 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c3\u03b7 (\u03b1\u03bb\u03bb\u03ac \u03b4\u03c5\u03c3\u03ba\u03bf\u03bb\u03b5\u03cd\u03c4\u03b7\u03ba\u03b5 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ac \u03bb\u03af\u03b3\u03bf)
              \u0386\u03c1\u03b9\u03c3\u03c4\u03b7 \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ce\u03bd
              \u0394\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03bb\u03b9\u03c3\u03c4\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03cc\u03bb\u03c9\u03bd
              Hashset
              \u03a7\u03b1\u03c3\u03bc\u03ac\u03c0
              ConcurrentHashmap
              \u039a\u03b1\u03bb\u03ae \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03b4\u03bf\u03bc\u03ce\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd – \u03c3\u03c4\u03bf\u03af\u03b2\u03b5\u03c2, \u03bf\u03c5\u03c1\u03ad\u03c2, \u03b4\u03ad\u03bd\u03c4\u03c1\u03b1
              \u039a\u03b1\u03bb\u03ae \u03b3\u03bd\u03ce\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03c1\u03c7\u03b9\u03c4\u03b5\u03ba\u03c4\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 jvm
              \u0395\u03c0\u03b5\u03be\u03ae\u03b3\u03b7\u03c3\u03b7 \u03c3\u03c5\u03b3\u03c7\u03c1\u03bf\u03bd\u03b9\u03c3\u03bc\u03bf\u03cd \u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd, \u03b1\u03c0\u03bf\u03b4\u03b5\u03af\u03c7\u03b8\u03b7\u03ba\u03b5 \u03ba\u03b1\u03bb\u03ae \u03b3\u03bd\u03ce\u03c3\u03b7 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ce\u03bd \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ce\u03bd \u03bd\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd
              \u039a\u03b1\u03bb\u03ae \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 REST
              \u0395\u03be\u03ae\u03b3\u03b7\u03c3\u03b5 \u03ba\u03b1\u03bb\u03ac \u03c4\u03bf\u03c5\u03c2 \u03b4\u03b5\u03af\u03ba\u03c4\u03b5\u03c2 db
              \u0395\u03be\u03ae\u03b3\u03b7\u03c3\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5\u03c2 \u03b5\u03bd\u03ce\u03c3\u03b5\u03c9\u03bd<\/p>\n\n\n\n
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\u03c7\u03b1\u03bc\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7 \u03c0\u03bf\u03bb\u03c5\u03c0\u03bb\u03bf\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03bf\u03c1\u03b3\u03ac\u03bd\u03c9\u03c3\u03b7. \u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1: \u0399\u03ac\u03b2\u03b1 public class \u0392\u03b9\u03b2\u03bb\u03af\u03bf {\u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03cc \u03cc\u03bd\u03bf\u03bc\u03b1 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1; \u0399\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03cc\u03c2 \u03c3\u03c5\u03b3\u03b3\u03c1\u03b1\u03c6\u03ad\u03b1\u03c2 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1\u00b7 \u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03cc \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1.\/\/ \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2, \u03c7\u03c1\u03ae\u03c3\u03c4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c1\u03c5\u03b8\u03bc\u03b9\u03c3\u03c4\u03ad\u03c2} \u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf 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\u0440\u0430\u043d\u043d\u0430\u0442\u0430 \u0426\u044a\u0440\u043a\u0432\u0430 \u0438 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u043d\u0430 \u0445\u0440\u0438\u0441\u0442\u043e\u043b\u043e\u0433\u0438\u0447\u043d\u0430\u0442\u0430 \u0434\u043e\u0433\u043c\u0430\u0442\u0438\u043a\u0430\u041f\u0435\u0440\u0438\u043e\u0434: 428\u2013451 \u0433.\u041e\u0441\u043d\u043e\u0432\u043d\u043e \u0441\u044a\u0431\u0438\u0442\u0438\u0435: \u0422\u0440\u0435\u0442\u0438\u044f\u0442 \u0432\u0441\u0435\u043b\u0435\u043d\u0441\u043a\u0438 \u0441\u044a\u0431\u043e\u0440, \u0415\u0444\u0435\u0441, 431 \u0433. \u0420\u0435\u0437\u044e\u043c\u0435 \u0422\u0440\u0435\u0442\u0438\u044f\u0442 \u0432\u0441\u0435\u043b\u0435\u043d\u0441\u043a\u0438 \u0441\u044a\u0431\u043e\u0440, \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u2026","rel":"","context":"In "\u0386\u03c1\u03b8\u03c1\u03b1 \u03b1\u03c6\u03b9\u03b5\u03c1\u03c9\u03bc\u03ad\u03bd\u03b1 \u03c3\u03c4\u03b7 \u0392\u03af\u03b2\u03bb\u03bf 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