Java项目新手练习小项目

/** * */ package com.practice.thread.lock; import java.util.concurrent.locks.Lock; import java.util.concurrent.locks.ReentrantLock; /** * * 多线程之间资源共享 - lock * * @author yangShiXiong * @Data 2020年10月22日 */ public class LockDemo { public static class LockTest { private int ticket = 100;//定义一百张票 Lock lock = new ReentrantLock(); public void test() { // TODO Auto-generated method stub while (true) { lock.lock(); try { Thread.sleep(200); if (ticket > 0) { try { Thread.sleep(100); } catch (InterruptedException e) { e.printStackTrace(); } System.out.println(Thread.currentThread().getName() + "售出第" + ticket + "张票"); ticket--; } else { break; } } catch (InterruptedException e) { e.printStackTrace(); }finally { lock.unlock(); } } } } public static void testLockTest() throws Exception{ final LockTest lockTest = new LockTest(); // 新建任务1，调用lockTest的addValue方法 Runnable task1 = new Runnable(){ public void run(){ lockTest.test(); } }; } public static void main(String[] args){ final LockTest lockTest = new LockTest(); // 新建任务1，调用lockTest的addValue方法 Runnable task1 = new Runnable(){ public void run(){ lockTest.test(); } }; Thread t1 = new Thread(task1); Thread t2 = new Thread(task1); Thread t3 = new Thread(task1); t1.setName("窗口1"); t2.setName("窗口2"); t3.setName("窗口3"); t1.start(); t2.start(); t3.start(); } }