daemon(守护、服务员)
t1.setDaemon(true) - 设置为守护线程
class KTV extends Thread{ public void run(){ try { Thread.sleep(1000); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } System.out.println(Thread.currentThread().getName()+" - 消费结束"); } } class Waiter extends Thread{ public void run(){ while(true){ try { Thread.sleep(300); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } System.out.println("随时服务 - "+new java.util.Date()); } } } public class Demo14 { public static void main(String[] args) { KTV k1=new KTV(); KTV k2=new KTV(); Waiter w1=new Waiter(); w1.setDaemon(true); //设置为守护线程 k1.start(); k2.start(); w1.start(); } }