进阶day06-synchornized同步方法解决线程安全问题
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package com.inmind.syncnized_method06;
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public class TicketTask implements Runnable{
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//定义100张票电影票
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int tickeCount = 100;
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Object lock = new Object();//创建一个锁对象
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@Override
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public void run() {
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//有票就卖
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while (true) {
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//使用同步代码块解决线程安全问题
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//注意:一定是抢到锁对象的线程才能进入到同步代码块,执行代码,其他没有抢到的线程会被阻塞在此
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synchronized (lock){
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if (tickeCount > 0) {
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try {
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Thread.sleep(50);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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System.out.println(Thread.currentThread().getName() + "正在卖第" + tickeCount + "张电影票");
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tickeCount--;
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} else {
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break;
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}
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}
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}
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}
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}
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