java Lock接口
java.util.concurrent.locks
接口Lock
public interface Loce
Loce实现提供了比使用synchronized方法和语句可获得的更广泛的锁定操作
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
import java.util.concurrent.locks.Lock;import java.util.concurrent.locks.ReentrantLock; public class IntegerDemo { public static void main(String[] args) { // 创建3个线程对象 SellTicket st = new SellTicket(); Thread t1 = new Thread(st, "窗口1"); Thread t2 = new Thread(st, "窗口2"); Thread t3 = new Thread(st, "窗口3"); // 启动线程 t1.start(); t2.start(); t3.start(); }} class SellTicket implements Runnable { private int ticket = 100; private Lock lock = new ReentrantLock(); public void run() { while (true) { lock.lock(); if (ticket > 0) { try { Thread.sleep(100); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } System.out.println(Thread.currentThread().getName() + "正在出售第" + (ticket--) + "张票。"); } lock.unlock(); } }} |
感谢阅读，希望能帮助到大家，谢谢大家对本站的支持！
