课后习题

package com.java; 

public class time extends Thread{
    
    public void run(){
        while(true){    
            System.out.println("2016");
        try{
            Thread.sleep(100);
        }catch(Exception e){
            e.printStackTrace();
        }
        }
    }
    public static void main(String[] args) {
        new time().start();
    }    
}