public class Friend {
	private final String name;

	public Friend(String name) {
		this.name = name;
	}

	public String getName() {
		return this.name;
	}

	public synchronized void bow(Friend bower) {
		System.out.format("%s: %s has bowed to me!%n", 
				this.getName(), bower.getName());
		bower.bowBack(this);
	}

	public synchronized void bowBack(Friend bower) {
		System.out.format("%s: %s has bowed back to me!%n",
				this.getName(), bower.getName());
	}
}