Java Program to find the sum of digits of a number

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In this program, You will learn how to find the sum of digits of a number in java.

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2341 => 2 + 3 + 4 + 1 = 10

Example: How to find the sum of digits of a number in java.

import java.util.Scanner;

class Main {
    public static void main(String args[]) {

        int n, r, s = 0;
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter a number:");
        n = sc.nextInt();

        while (n > 0) {
            r = n % 10;
            s = s + r;
            n = n / 10;
        }

        System.out.println("Sum of digits:" + s);

    }
}

Output:

Enter a number:342
Sum of digits:9