写了个生产者---消费者

这段代码是在听了马老师的教程后写的，小小的ps一下，听马老师讲课感觉真的很好，期望他能出一些j2ee的视频教程

package cn.zhangxuemin.j2se;

public class TestProducerConsumer {
	public static void main(String[] args) {
		SyncStack ss = new SyncStack();
		Producer p = new Producer(ss);
		Consumer c = new Consumer(ss);
		Thread t1 = new Thread(p,"t1");
		Thread t2 = new Thread(p,"t2");
		Thread t3 = new Thread(c,"t3");
		t1.start();
		t2.start();
		t3.start();
	}
}

class Woto {
	int id ;
	Woto (int id) {
		this.id = id;
	}
	public String toString () {
		return "Woto :"+id;
	}
}

class SyncStack {
	int index = 0;
	Woto[] arryWoto = new Woto[6];
	
	public synchronized void push(Woto wt) {
		while(index == arryWoto.length) {
			try {
				this.wait();
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
		this.notifyAll();
		try {
			Thread.sleep(1000);
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
		arryWoto[index] = wt;
		index++;
	}
	
	public synchronized Woto pop() {
		while(index == 0) {
			try {
				this.wait();
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
		this.notifyAll();
		try {
			Thread.sleep(1000);
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
		index--;
		return arryWoto[index];
	}
}

class Producer implements Runnable {
	SyncStack ss = null;
	Producer(SyncStack ss) {
		this.ss = ss;
	}
	
	public void run() {
		for(int i=0; i<20; i++) {
			Woto wt = new Woto(i);
			ss.push(wt);
			System.out.println(Thread.currentThread().getName()+"生产了： "+wt);
		}
	}
}

class Consumer implements Runnable {
	SyncStack ss = null;
	Consumer(SyncStack ss) {
		this.ss = ss;
	}
	public void run() {
		for(int i=0; i<40; i++) {
			Woto wt = ss.pop();
			System.out.println(Thread.currentThread().getName()+"消费了: " +wt);
		}
	}
}