Two threads, one thread output 1, one thread output 2, loop output

/**
 * Two threads, one thread output 1, one thread output 2,
 * * 
 * @author ffr@cnic.cn
 */public
class SleepAndWaitThread2 { Public
	static void Main (string[] args) {
		Onethread one = new Onethread ();
		Twothread two = new Twothread ();
		One.start ();
		Two.start ();
	}

Class Onethread extends Thread {

	@Override public
	void Run () {
		synchronized (sleepandwaitthread2.class) {while
			(true) {
				System.out.println ("1");
				try {
					SleepAndWaitThread2.class.wait ();
				} catch (Interruptedexception e) {
					e.printstacktrace ();
				}
				SleepAndWaitThread2.class.notify ()
;

}}} Class Twothread extends Thread {

	@Override public
	void Run () {
		synchronized (sleepandwaitthread2.class) {while
			(true) {
				System.out.println ("2");
				SleepAndWaitThread2.class.notify ();
				try {
					SleepAndWaitThread2.class.wait ();
				} catch (Interruptedexception e) {
					e.printstacktrace ();
				}
			}
		}
	}
}