Find sum and product of a given digit

/*Write a program to find SUM AND PRODUCT of a given Digit. */

class Sum_Product_ofDigit{

      public static void main(String args[]){

            int num = Integer.parseInt(args[0]);         //taking value as command line argument.

            int temp = num,result=0;

            //Logic for sum of digit

       
     while(temp>0){

               result = result + temp;

               temp--;

            }

            System.out.println("Sum of Digit for "+num+" is : "+result);

            //Logic for product of digit

            temp = num;

            result = 1;

            while(temp > 0){

                 result = result * temp;

                 temp--;

            }

            System.out.println("Product of Digit for "+num+" is : "+result);

   }

}

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