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Java Program to Find the Sum of the Digits of a Number

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In this example, we will calculate the sum of the Digits of a Number in java taking the value from the user. Before we begin, you should have knowledge on the following topic in Java:

Explanation: This is an easy program if you have the working technique of the operator. Suppose the entered number is 123, we will create a program in a loop that will add these three digits such as 1 + 2 + 3. And display the result.

Java Program to Find a Factorial of a Number Using for loop

 //calculate the sum of the digits of a number in java

 import java.util.Scanner;

 public class SumOfDigits 
 {
    public static void main(String args[])
    {
       int num, temp, sum = 0;
        
       Scanner s = new Scanner(System.in);
        
       System.out.print("Enter the number: ");
       num = s.nextInt();
        
       while(num > 0)
       {
          temp = num % 10;
          sum = sum + temp;
          num = num / 10;
       }
        
       System.out.println("Sum of the entered Digits:"+sum);
    }
 }

Output:

Enter the number: 4567
Sum of the entered Digits:22

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