Java不使用递归析因程序

public class Tester {

   static int factorial(int n) {

      if (n == 0)

         return 1;

      else

         return (n * factorial(n - 1));

   }

   public static void main(String args[]) {

      int i, fact = 1;

      int number = 5;

      fact = factorial(number);

      System.out.println(number + "! = " + fact);

   }

}