线程审查生产者和消费者

public class ShengChanZheXiaoFeiZhe {

	public static void main(String[] args) {
		Container c = new Container();
		BulletProducer producer = new BulletProducer(c);
		BulletConcumer consumer = new BulletConcumer(c);
		Thread t1 = new Thread(producer);
		Thread t2 = new Thread(consumer);
		t1.start();
		t2.start();
	}

}
//子弹类，id为序号
class Bullet{
	int id;
	Bullet(int id){
		this.id = id;
	}
	//重写toString方法。便于显示子弹序号。
	@Override
	public String toString() {
		return "第"+id+"个子弹";
	}
}
//装子弹的容器。具备一定空间。含有装子弹和发子弹的同步方法(是一个栈)，方法须要推断栈的空和满，并使用等待唤醒机制控制。
class Container{
	Bullet[] arr = new Bullet[12];
	int index = 0;
	public synchronized void push(Bullet bullet){
		while(index==arr.length){
			try {
				this.wait();
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
		this.notify();
		arr[index] = bullet;
		index++;
	}
	public synchronized Bullet pop(){
		while(index==0){
			try {
				this.wait();
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
		this.notify();
		index--;
		return arr[index];
	}
}
//生产者。须要被一个线程运行故实现runnable接口，run方法中初始化子弹容器，不断建立子弹对象并向容器中push，并输出子弹序号。class BulletProducer implements Runnable{	Container c = null;	public BulletProducer(Container c) {		this.c = c;	}	public void run(){		int i = 0;		while(true){			Bullet bullet = new Bullet(++i);			c.push(bullet);			System.out.println("上膛"+bullet);		}	}}//消费者，也实现了runnable，建立容器，不断从容器中pop子弹。并输出子弹序号。class BulletConcumer implements Runnable{	Container c = null;	public BulletConcumer(Container c) {		this.c = c;	}	public void run(){		while(true){			Bullet bullet = c.pop();			System.out.println("->->->->->->发射"+bullet);		}	}}