Counter Class

import java.util.*;

public class Counter {

public Counter(int max) {

this.max = max;

observers = new Vector();

}

public void reset() { /*Same as before*/ }

public int getVal() { /*Same as before*/ }

public void setVal(int val) { /*Same as before*/ }

public void inc() { /*Same as before*/ }

public void dec() { /*Same as before*/ }

public void registerAsObserver(CounterObserver observer){…}

private void notifyObservers() {…}

private int max, val=0;

Vector observers; // Allows multiple observers

}

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