Timer

import java.util.Timer;import java.util.TimerTask;/** * Simple demo that uses java.util.Timer to schedule a task  * to execute once 5 seconds have passed. */public class Reminder {    Timer timer;    public Reminder(int seconds) {        timer = new Timer();        timer.schedule(new RemindTask(), seconds*1000);}    class RemindTask extends TimerTask {        public void run() {            System.out.format("Time's up!%n");            timer.cancel(); //Terminate the timer thread        }    }    public static void main(String args[]) {        new Reminder(5);        System.out.format("Task scheduled.%n");    }}