Java 常用类库 之 Timer TimerTask

Posted 2020-11-19 verejava

http://www.verejava.com/?id=17159702655333

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

public class Test1 {
    private Timer timer;
    public Test1(){
        timer=new Timer();
        //每隔 1 秒 显示当前时间
        timer.schedule(new MyTask(), new Date(), 1000);
    }
    
    class MyTask extends TimerTask
    {

        @Override
        public void run() {
            //打印当前时间
            SimpleDateFormat df=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            System.out.println(df.format(new Date()));
        }
        
    }
    
    public static void main(String[] args)
    {
        new Test1();
    }
}

http://www.verejava.com/?id=17159702655333