de/unibayreuth/se/observer/Main.java


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package de.unibayreuth.se.observer;

public class Main {
    public static void main(String[] args) {
        ConcreteSubject subject = new ConcreteSubject();
        ConcreteObserver observer1 = new ConcreteObserver(subject);
        ConcreteObserver observer2 = new ConcreteObserver(subject);

        subject.setValue(5);
        observer1.detach();
        subject.setValue(1);
        observer2.detach();
        subject.setValue(3);
    }
}