package Thread;

//synchronized(同步监视器){

// 需要被同步的代码

//}

class Window3 implements Runnable{

private int ticket = 100;

Object obj = new Object();

@Override

public void run() {

while(true){

//this也可以作为对象

synchronized(obj){

if(ticket > 0){

try {

Thread.sleep(100);

} catch (InterruptedException e) {

e.printStackTrace();

}

System.out.println(Thread.currentThread().getName() + ":卖票，票号为：" + ticket);

ticket--;

}else{

break;

}

}

}

}

}

public class WindowTest3 {

public static void main(String[] args) {

Window3 w = new Window3();

Thread t1 = new Thread(w);

Thread t2 = new Thread(w);

Thread t3 = new Thread(w);

t1.setName("窗口1");

t2.setName("窗口2");

t3.setName("窗口3");

t1.start();

t2.start();

t3.start();

}

}