a Dead lock example

Dead.java

public class Dead {

	private int state;

	public Dead(int state) {
		this.state = state;
	}
	

	public synchronized int getMyState() {
		return state;
	}

	public synchronized int getYourState(Dead dle) {
		return dle.getMyState();
	}

	@SuppressWarnings("SleepWhileHoldingLock")
	public synchronized int getMineAndYours(Dead dle) {
		int yours = 0, mine = 0;
		
		try {
			 yours = getYourState(dle);
			sleep(2000);
			mine = dle.getYourState(this);
		} catch (InterruptedException ex) {
			Logger.getLogger(Dead.class.getName()).log(Level.SEVERE, null, ex);
		}						
		return (yours + mine);
	}

	public static void main(String[] args) {
		final Dead us, them;
		us = new Dead(1);
		them = new Dead(10);

		new Thread(new Runnable() {
			public void run() {
				System.out.println(us.getMineAndYours(them));
			}
		}).start();

		new Thread(new Runnable() {
			public void run() {
				System.out.println(them.getMineAndYours(us));
			}
		}).start();
	}
}