HW5.2

 1 import java.util.Scanner;
 2 
 3 public class Solution
 4 {
 5     public static void main(String[] args)
 6     {
 7         Scanner input = new Scanner(System.in);
 8         System.out.print("Enter the number: ");
 9         long number = input.nextLong();
10 
11         input.close();
12 
13         System.out.println("The sum of the number is " + sumDigits(number));
14     }
15 
16     public static long sumDigits(long n)
17     {
18         if(n < 10)
19             return n;
20         else
21             return n % 10 + sumDigits(n / 10);
22     }
23 }