Super digit program in java

import java.util.Scanner;  
class Raj   
 {  
  public static void main(String[] args) {
  int n;
  int x;
  int s;
  Scanner sc = new Scanner(System.in);
  System.out.print("Enter any number: ");
  n = sc.nextInt();
   while(n>=10)
   {
       x = n;
       s = 0;
       while(x>0)
       {
        s = s+(x%10);
        x = x/10;
       }
        n = s;
   }
   System.out.print("Super Digit of the given number is "+n );

   }
 }