下班定时

package com.freeter.Timingtask;

import javax.swing.*;
import java.awt.*;
import java.util.*;
import java.util.Timer;

/**
 * author LIUQI
 **/
//定时任务
public class TimingTask {
    public static Timer timer;
    public static Scanner scanner = new Scanner(System.in);
    public static int hour = scanner.nextInt();
    public static int minute = scanner.nextInt();
    public static int second = scanner.nextInt();


    public TimingTask() {


        Date time = getDate();
        timer = new Timer();
        timer.schedule(new TimerWorking(), time);
    }

    //封装日期类
    public Date getDate() {
        Calendar calendar = Calendar.getInstance();
        calendar.set(Calendar.HOUR_OF_DAY, hour);//时
        calendar.set(Calendar.MINUTE, minute);//分
        calendar.set(Calendar.SECOND, second);//秒
        Date time = calendar.getTime();//获取时间

        return time;//返回时间类型
    }


    public class TimerWorking extends TimerTask {
        public void run() {

            System.out.println("任务已执行！！！！！！！");
            JFrame frame = new JFrame("闹钟提醒");
            JLabel label = new JLabel();
            label.setText("下班啦  下班啦  一天结束啦");
            frame.setBounds(200,400,600,400);
            frame.add(label);
            frame.setVisible(true);


        }
    }

    public static void main(String[] args) {

        System.out.println("请输入执行的小时：" + TimingTask.hour);

        System.out.println("请输入执行的分钟：" +TimingTask.minute);
        System.out.println("请输入执行的秒数：" + TimingTask.second);
        new TimingTask(); //初始化TimingTask类
        System.out.println("执行任务");

    }

}

下班定时

原文：https://www.cnblogs.com/LQ970811/p/12188556.html