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Youtube.java
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30 lines (23 loc) · 690 Bytes
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package observer2;
public class Youtube {
public static void main(String[] args) {
Channel jijo = new Channel();
Subscriber sub1 = new Subscriber("said");
Subscriber sub2 = new Subscriber("adil");
Subscriber sub3 = new Subscriber("foad");
Subscriber sub4 = new Subscriber("ahmed");
Subscriber sub5 = new Subscriber("karim");
jijo.subscribe(sub1);
jijo.subscribe(sub2);
jijo.subscribe(sub3);
jijo.subscribe(sub4);
jijo.subscribe(sub5);
jijo.unsubscribe(sub3);
sub1.subscribeChannel(jijo);
sub2.subscribeChannel(jijo);
sub3.subscribeChannel(jijo);
sub4.subscribeChannel(jijo);
sub5.subscribeChannel(jijo);
jijo.upload("Learn Java!!");
}
}