test

 1 package Temp;
 2 
 3 public class Main
 4 {
 5     private static int f(int n)
 6     {
 7         int result = 1;
 8         for (int i = 1; i <= n; i++)
 9         {
10             result *= i;
11         }
12 
13         return result;
14     }
15 
16     public static void main(String[] args)
17     {
18         System.out.print(f(5));
19     }
20 
21 }