多线程之生产者消费者问题

package org.thread.cn;

public class Store{

	private final int MAX_SIZE;
	private int count;
	public Store(int n){
		MAX_SIZE=n;
		count=0;
	}
	public synchronized void add(){
		while(count>=MAX_SIZE){
			System.out.println("store 已满");
			try {
				this.wait();
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		count++;
		System.out.println(Thread.currentThread().toString()+" put "+count);
		this.notifyAll();
	}
	public synchronized void remove(){
		while(count<=0){
			System.out.println("store is empty");
			try {
				this.wait();
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		System.out.println(Thread.currentThread().toString()+" get "+count);
		count--;
		this.notify();
	}

	public static void main(String[] args) {
		Store s=new Store(5);
		Thread pro1=new Producer(s);
		Thread pro2=new Producer(s);
		Thread con1=new Consumer(s);
		Thread con2=new Consumer(s);
		pro1.setName("Producer");
		pro2.setName("Producer2");
		con1.setName("consumer");
		con2.setName("consumer2");
		pro1.start();
		pro2.start();
		con1.start();
		con2.start();
	}
}
class Producer extends Thread{
	private Store s;
	public Producer(Store s) {
		// TODO Auto-generated constructor stub
		this.s=s;
	}
	@Override
	public void run() {
		// TODO Auto-generated method stub
		while(true){
			s.add();
			try {
				Thread.sleep(1000);
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}
}
class Consumer extends Thread{
	private Store s;
	public Consumer(Store s){
		this.s=s;
	}
	@Override
	public void run() {
		// TODO Auto-generated method stub
		while(true){
			s.remove();
			try {
				Thread.sleep(1500);
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}
}