目录

public class TestThread2 {     public static void main(String [] args){         Window window=new Window();         Thread thread1=new Thread(window,"窗口一");         Thread thread2=new Thread(window,"窗口二");         Thread thread3=new Thread(window,"窗口三");         thread1.start();         thread2.start();         thread3.start();     } }  class Window implements  Runnable{     int ticket=50;     @Override     public void run(){         while (true){             if(ticket > 0){                 try {                     Thread.currentThread().sleep(100);//模拟卖票需要一定的时间                } catch (InterruptedException e) {                     e.printStackTrace();                 }                 System.out.println(Thread.currentThread().getName()+"售票，票号为："+ticket--);             }else {                 break;             }         }     } }