Source of RecursiveCountdown.java

Structures and functions

public class RecursiveCountdown

  1: //CountDown.java
  2: 
  3: public class RecursiveCountdown
  4: {
  5:     public static void main(String[] args)
  6:     {
  7:         countDown(3);
  8:     }
  9: 
 10:     public static void countDown(int num)
 11:     {
 12:         if (num <= 0)
 13:         {
 14:             System.out.println();
 15:         }
 16:         else
 17:         {
 18:             System.out.print(num);
 19:             countDown(num - 1);
 20:         }
 21:     }
 22: }
 23: