Factorial in java

package com.swain.cell;

public class Factorial {

public static void main(String args[])

   {

      int n, c, fact = 1;

 

      n=5;

      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);

      }

   }

}