class Ticket implements Runnable{
private int TicketNum = 100; //100张火车票
private boolean flag = true;
private synchronized void sale()
{
if(TicketNum<=0)
{
flag = false;
return ;
}
TicketNum--;
System.out.println(Thread.currentThread().getName()+"卖了一张票，还剩"+TicketNum+"张票。");
}
@Override
public void run() {
// TODO Auto-generated method stub
while(flag)
{
sale();
try {
Thread.sleep(200);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
public class SaleTicket {
public static void main(String[] args) {
// TODO Auto-generated method stub
Ticket t = new Ticket();
Thread th1 = new Thread(t,"窗口A");
Thread th2 = new Thread(t,"窗口B");
Thread th3 = new Thread(t,"窗口C");
th1.start();
th2.start();
th3.start();
}
}