10. Clock - part 2

public class Clock2 {
    public static void main(String[] args) {
        for (int h = 0; h < 24; h++) {
            for (int m = 0; m < 60; m++) {
                for (int s = 0; s < 60; s++) {
                    System.out.printf("%d : %d : %d\n", h, m, s);
                }
            }
        }
    }
}