Java Program to find the Factorial of a number

      class Factorial
   {
     public static void main(String args[])
     {
       int num = Integer.parseInt(args[0]); //take argument as command line
       int result = 1;
       while(num>0)
       {
         result = result * num;
         num--;
       }
       System.out.println("Factorial of Given no. is : "+result);
     }
   }