考试第五题

Posted 2022-07-02 bichen-01

package test05;

import java.text.SimpleDateFormat;
import java.util.Date;

public class Demo implements Runnable

    @Override
    public void run() 
        // TODO Auto-generated method stub
        
        Date date = new Date();
        
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("HH:mm:ss");
    
        String s = simpleDateFormat.format(date);
        System.out.println(s);
    
    public static void main(String[] args) 
        Demo d = new Demo();
        
        while(true) 
            
            Thread t = new Thread(d);
            try 
                t.sleep(1000);
             catch (InterruptedException e) 
                // TODO Auto-generated catch block
                e.printStackTrace();
            
            t.start();