CubbyHole

public class CubbyHole {

private int contents;

private boolean available = false;

public synchronized int get() {

while(available==false) {

try { wait(); }

catch (InterruptedException e) {}

}

available=false;

notifyAll();

return contents;

}

public synchronized void put(int value) {

while(available==true) {

try { wait(); }

catch (InterruptedException e) {

}

contents=value;

available=true;

notifyAll();

}