买票问题
发布时间:2020-12-15 07:53:21 所属栏目:Java 来源:网络整理
导读:/** * 买票问题 */public class ThreadTrain1 implements Runnable { private int count = 10; private static Object o = new Object(); @Override public void run() { while (count0){ try { Thread.sleep(10); } catch (InterruptedException e) { e.pri
/** * 买票问题 */ public class ThreadTrain1 implements Runnable { private int count = 10; private static Object o = new Object(); @Override public void run() { while (count>0){ try { Thread.sleep(10); } catch (InterruptedException e) { e.printStackTrace(); } sale(); } } private void sale() { // 前提 多线程进行使用、多个线程只能拿到一把锁。 // 保证只能让一个线程 在执行 缺点效率降低 synchronized (o){ if (count>0){ System.out.println(Thread.currentThread().getName()+",出售第"+(10-count+1)+"张票"); count--; } } } public static void main(String[] args){ ThreadTrain1 train1 = new ThreadTrain1(); Thread t1 = new Thread(train1,"1号窗口"); Thread t2 = new Thread(train1,"2号窗口"); t1.start(); t2.start(); } } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |