Sum Of Digits

package com.JavaInterview.Programs;

import java.util.Scanner;

/**
 * Find Out Factorial of a number
 * 
 * @author:http://javainterviewprograms.blogspot.in/
 * 
 */
public class SumOfDigit {

 int totalSum = 0;

 public int sum(int number) {

  if (number == 0) {

   return totalSum;

  } else {

   totalSum += (number % 10);

   sum(number / 10);

  }

  return totalSum;

 }

 public static void main(String args[]) {

  Scanner input = new Scanner(System.in);

  System.out.println("Please enter number :");

  int number = input.nextInt();

  SumOfDigit SD = new SumOfDigit();

  System.out.println("sum Of Digit of Number  " + number + " :"

    + SD.sum(number));

 }

}

Output:

Please enter number :

23

sum Of Digit of Number  23 :5