マルチスレッドの守護スレッド

package org.javaboy;

/**
 * @Author: bai
 * @DateTime: 2020/6/7 19:06
 */
//       
public class TestDaemon {
    public static void main(String[] args) {
        God god = new God();
        You you = new You();

        Thread thread = new Thread(god);
        thread.setDaemon(true); //    false，       ，           
        thread.start(); //       

        new Thread(you).start();    //       
    }
}

//   
class God implements Runnable {
    @Override
    public void run() {
        while (true) {
            System.out.println("      ！");
        }
    }
}

//   
class You implements Runnable {
    @Override
    public void run() {
        for (int i = 0; i < 36500; i++) {
            System.out.println("         ！");
        }
        System.out.println("=====goodbye,world!=====");
    }
}