多线程-定时器Timer

2019-04-1218:03:32

package 多线程.定时器Timer_重要;

import java.util.Timer;
import java.util.TimerTask;

public class TimerDemo {
    public static void main(String[] args) {

        Timer timer = new Timer();
        mytimeer mytime = new mytimeer(timer);
        timer.schedule(mytime, 1000, 1000);
    }
}

class mytimeer extends TimerTask {
    Timer timer;
    int a = 60;

    public mytimeer(Timer timer) {
        this.timer = timer;
    }

    @Override
    public void run() {
        System.out.println("爆炸倒计时" + a--);
        if (a == 0) {
            System.out.println("boom-----");
            timer.cancel();//关闭
        }

    }
}