先收拾房间再睡觉

    1. public class Main{
    2.     public static void main(String[] args){
    3.         System.out.println("main: BEGIN");
    4.         try{
    5.             CountupThread t = new CountupThread();
    6.             t.start();
    8.             //稍微间隔一段时间
    9.             TimeUnit.SECOND.sleep(10);
    10.             //线程的终止请求
    11.             System.out.println("main: shutdownRequest");
    12.             t.shutdownRequest();
    13.             System.out.println("main: join");
    14.             //等待线程终止
    15.             t.join();
    16.         }catch(InterruptedException e){
    17.             e.printStackTrace();
    18.         }
    19.         System.out.println("main: END");
    20.     }
    21. }