FACTORIAL EN JAVA

   1: package utilerias;

   2:  

   3: public class Mate 

   4: {

   5: public static int factorial(int x)

   6:     {

   7:     int y;

   8:     int f=1;

   9:     for(y=1; y<=x; y++)

  10:         {

  11:         f=f*y;

  12:         }

  13:     return f;

  14:     }

  15: }

   1: package utilerias;

   2:  

   3: public class Prueba {

   4:  

   5:     public static void main(String[] args) 

   6:     {

   7:     System.out.println(Mate.factorial(5));

   8:     }

   9:  

  10: }