1 package day162020072701.day1603;
 2 
 3 import java.util.concurrent.locks.Lock;
 4 import java.util.concurrent.locks.ReentrantLock;
 5 
 6 /**
 7  * @authorliuwenlong
 8  * @create2020-07-27 13:13:32
 9  */
10 @SuppressWarnings("all")
11 public class SellTicke implements Runnable {
12    private int tik = 10;
 
13     Lock lock = new ReentrantLock();
14 
15     @Override
16     public void run() {
17         while (true) {
18             //加鎖
19             lock.lock();
20             if (tik > 0) {
21                 try {
22                     //模擬一下出票過程
23                     Thread.sleep(100);
24                 } catch
 
 (InterruptedException e) {
25                     e.printStackTrace();
26                 }
27                 System.out.println(Thread.currentThread().getName() + "；還剩" + --tik + "張票");
28             }
29             //解鎖
30             lock.unlock();
31         }
32     }
33 }

 1 package day162020072701.day1603;
 
 2 
 3 /**
 4  * @authorliuwenlong
 5  * @create2020-07-27 13:15:03
 6  */
 7 @SuppressWarnings("all")
 8 public class TestSell {
 9     public static void main(String[] args) throws InterruptedException {
10         SellTicke s = new SellTicke();
11         Thread t1 = new Thread(s,"視窗1");
12         Thread t2 = new Thread(s,"視窗2");
13         Thread t3 = new Thread(s,"視窗3");
14         t1.start();
15         t2.start();
16         t3.start();
17     }
18 }