package com.dwz.concurrency.chapter4;
/**
 *     使用守护线程模拟心跳实验
 */
public class DaemonThread2 {
    public static void main(String[] args) {
        Thread t = new Thread(() -> {
            Thread innerThread = new Thread(() -> {
                try {
                    while(true) {
                        System.out.println("Do some thing for health check.");
                        Thread.sleep(1_000);
                    }
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }); 
            
            innerThread.setDaemon(true);
            innerThread.start();
        });
        t.start();
        
        try {
            Thread.sleep(3_000);
            System.out.println("T Thread finish done.");
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}