Java – Sum of Digits till Single DigitJava

Program to find Sum of Digits till Single Digit:

9657 -> 9+6+5+7 -> 27 -> 2+7 -> 9

import java.util.Scanner; class Code {             public static void main(String[] args) {                         int num, sum, dig;                         Scanner scan = new Scanner(System.in);                         System.out.print(“Enter Num : “);                         num = scan.nextInt();                         System.out.print(num + “->”);                                                             while(num/10!=0){                                     sum = 0;                                     while(num!=0){                                                 dig=num%10;                                                 sum+=dig;                                                 num/=10;                                            }                                     System.out.print(sum + “->”);                                     num=sum;                         }             } }