Java 计算阶乘2

public class NumberFactorial {
   public static void main(String[] args) {
      int number = 5;
      int factorial = number;

      for(int i =(number - 1); i > 1; i--) {
         factorial = factorial * i;
      }
      System.out.println("Factorial of 5 is " + factorial);
   }
}