How to Print numbers for 1 to 100 without using for Loop

This is very common interview question asked in java interviews .It can be asked in other way also as an example of recursion .

For the solution of this program we will use recursion mechanism in which a method calls itself again and again till the condition satisfies.

package com.javainhouse; public class JavaInHousePrintNumber {      public static void main(String[] args)   {     printNumber(100);        } public static void printNumber(int number) {   if(number>0)   {               System.out.print(" "+number);     number--;     printNumber(number);   }    } }

Output:

Print Numbers Java