**Program to calculate sum of the digits of a number entered by the user in Java**

package com.hubberspot.java.example; import java.util.Scanner; public class SumOfDigitsDemo { public static void main(String[] args) { Integer number; Scanner scanner = new Scanner(System.in); System.out.print("Enter the number whose" + " sum of digits is to be calculated : "); number = scanner.nextInt(); System.out.println("Number entered : " + number); int sum = 0; while(number > 0) { int digit = number % 10; sum = sum + digit; number = number / 10; } System.out.println("The sum of the digits of the" + " number entered : " + sum); } }

**Output of the program :**