Fatorial_finding.java

import java.util.Scanner;
 
class Factorial_finding
{
   public static void main(String args[])
   {
      int n;
    int  c;
    int fact = 1;
     
      System.out.println(" Enter an integer to calculate it's factorial");
      Scanner in = new Scanner(System.in);
     
      n = in.nextInt();
     
      if (n < 0)
         System.out.println("Number should be non-negative.");
      else
      {
         for (c = 1; c <= n; c++)
            fact = fact*c;
     
         System.out.println("Factorial of "+n+" is = "+fact);
      }
   }
}