JavaElab/Sumofalldigits.java at main · jaiganesh21/JavaElab · GitHub

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//Q. 3:
//Sumofalldigits(InputandOutputStatemen)
/*
You're given an integer N. Write a program to calculate the sum of all the digits of N.
Input
The input integer N
Output
Calculate the sum of digits of N.
*/

import java.io.*;
import java.util.Scanner;
public class TestClass {
	 public static void main(String[] args) {

       Scanner sc = new Scanner(System.in);
       int N = sc.nextInt();
       //System.out.println(N);

       //int len = String.valueOf(N).length();

       int i = N, rem = 0, s = 0;

       while (i != 0){

         rem = i % 10;
         i = i / 10;
         s = s + rem;
       }

       System.out.println(s);


	}
}