1import java.util.Scanner;
2import java.util.Timer;
3import java.util.TimerTask;
4
5public class Stopwatch {
6static int interval;
7static Timer timer;
8
9public static void main(String[] args) {
10 Scanner sc = new Scanner(System.in);
11 System.out.print("Input seconds => : ");
12 String secs = sc.nextLine();
13 int delay = 1000;
14 int period = 1000;
15 timer = new Timer();
16 interval = Integer.parseInt(secs);
17 System.out.println(secs);
18 timer.scheduleAtFixedRate(new TimerTask() {
19
20 public void run() {
21 System.out.println(setInterval());
22
23 }
24 }, delay, period);
25}
26
27private static final int setInterval() {
28 if (interval == 1)
29 timer.cancel();
30 return --interval;
31}
32}
33Try this.