java Program For Sum of digits

//File name-->SumOfDigit.java

import java.io.*;

class SumOfDigit{
 public static void main(String args[])throws Exception
 {
  BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
  int no,sum=0,temp;
 
  System.out.println("Enter number:");
  no=temp=Integer.parseInt(br.readLine());
 
  while(no>0)
  {
   sum+=(no%10);
   no=no/10;
  }
  System.out.println("Sum of Digit for number "+temp+" is:"+sum);
 }
}

OUTPUT

javac SumOfDigit.java

java SumOfDigit
Enter number:
12345
Sum of Digit for number 12345 is:15