NESTED LOOPS - LAB 01. Clock

import java.util.Scanner;
public class clock {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        for (int hours=0; hours<=23; hours++){
            for (int minutes=0; minutes<=59; minutes++){
                System.out.printf("%d:%d%n", hours, minutes);
            }
        }
    }
}