生產者消費者模擬程序

//模擬生產者消費者，生產者(Producter類)生產窩頭(WoTou類)，放入一個大筐(stack類)，消費者（Consumer類）從大筐中取出窩頭並打印窩頭的id
public class producconsumertest {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Stack ss = new Stack();
		Producter p = new Producter(ss);
		Consumer c = new Consumer(ss);
		new Thread(p).start();
		new Thread(c).start();

	}

}
//窩頭類
class WoTou{
	private int id;

	public int getId() {
		return id;
	}

	public void setId(int id) {
		this.id = id;
	}

	public WoTou(int id){
		this.id=id;
	}
	
}
//大筐類
class Stack{
	private int index=0;
	private WoTou[] arr = new WoTou[6];
	public synchronized void push(WoTou wt){
		while(index == arr.length){
			try {
				this.wait();
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		this.notify();
		arr[index] = wt;
		index++;
	}
	public synchronized WoTou pop(){
		while(index ==0){
			try {
				this.wait();
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		this.notify();
		index--;
		return  arr[index];
	}
}
//生產者類
class Producter implements Runnable{
	private Stack  ss =null;
	public Producter(Stack ss){
		this.ss = ss;
	}
	

	@Override
	public void run() {
		for(int i =0;i<20;i++){
			WoTou wt = new WoTou(i);
		    ss.push(wt);
			System.out.println("生產了："+i);
		}
		
	}
	
}
//消費者類
class Consumer implements Runnable{
	private Stack  ss =null;
	public Consumer(Stack ss){
		this.ss = ss;
	}
	

	@Override
	public void run() {
		for(int i =0;i<20;i++){
			WoTou wt =ss.pop();
			System.out.println("消費了："+wt.getId());
		}
		
	}
	
}