package com.basic;

import java.util.concurrent.TimeUnit;

/**

* @program JavaBooks

* @description: volatile关键字

* @author: mf

* @create: 2019/12/28 22:54

*/

public class T6 {

/*volatile*/ boolean running = true; // 对比一下有无valotile的情况下，整个程序运行结果的区别

void m() {

System.out.println("m start");

while (running) {

// 啥都没得

// try {

// TimeUnit.SECONDS.sleep(1);

// } catch (InterruptedException e) {

// e.printStackTrace();

// }

}

System.out.println("m end ...");

}

public static void main(String[] args) {

T6 t6 = new T6();

new Thread(() -> t6.m(), "t1").start();

try {

TimeUnit.SECONDS.sleep(1);

} catch (InterruptedException e) {

e.printStackTrace();

}

t6.running = false;

}

}