package Thread;

//同步方法解决同步问题

class Window4 implements Runnable{

private int ticket = 100;

@Override

public void run() {

while(true){

show();

}

}

private synchronized void show(){

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--;

}

}

}

public class WindowTest4 {

public static void main(String[] args) {

Window4 w4 = new Window4();

Thread t1 = new Thread(w4);

Thread t2 = new Thread(w4);

Thread t3 = new Thread(w4);

t1.start();

t2.start();

t3.start();

}

}