import java.util.concurrent.locks.ReentrantLock;
public class DigitPrinterExample implements Runnable{
private int trick=50;
ReentrantLock lock = new ReentrantLock();
@Override
public void run() {
while (true){
try {
lock.lock();
Thread.sleep(50);
if (trick>0){
System.out.println("当前"+Thread.currentThread().getName()+"正在销售第:"+trick+"张票");
trick--;
}else if(trick==0){
System.out.println(Thread.currentThread().getName()+"已停止售票");
break;
}
} catch (InterruptedException e) {
e.printStackTrace();
} finally {
lock.unlock();
}
}
}
public static void main(String[] args) {
DigitPrinterExample L = new DigitPrinterExample();
Thread l1 = new Thread(L,"窗口1");
Thread l2 = new Thread(L,"窗口2");
Thread l3 = new Thread(L,"窗口3");
Thread l4 = new Thread(L,"窗口4");
Thread l5 = new Thread(L,"窗口5");
l1.start();
l2.start();
l3.start();
l4.start();
l5.start();
}
}
怎么让那个已停止售票只执行一次,我加了break也不行,帮忙看看,谢谢