package xianchen.houtai; /* * 后台线程,用这个方法: * setDaemon public final void setDaemon(boolean on) */ //要想设置为后台线程,可以把run()方法设置为 死循环 //定义一个类,实现runnable class HouTaiXianChenDemo implements Runnable{ //重写 run方法 public void run(){ //写一个死循环 while (true) { System.out.println(Thread.currentThread().getName()+"在运行"); } } } public class HouTaiXianChen{ public static void main(String[] args) { HouTaiXianChenDemo ht = new HouTaiXianChenDemo(); Thread t = new Thread(ht); //设置线程在后台运行 t.setDaemon(true); //启动线程 t.start(); } }