Java DoubleFactorial n!!

Simple Java program to calculate double factorial (n!!) of given non-negative integer.

import java.util.Scanner;

// 2018 TheFlyingKeyboard and released under MIT License
// theflyingkeyboard.net
public class Main {
    public static void main(String[] args) {
        Scanner reader = new Scanner(System.in);
        int n;

        System.out.println("Enter a number: ");
        n = reader.nextInt(); //Reads integer from keyboard

        System.out.println("Double Factorial of: " + n + " is equal to: " + doubleFactorial(n));
    }

    private static int doubleFactorial(int n){
        int doubleFact = 1;

        for(int i = n; i > 1; i -= 2){
            doubleFact *= i;
        }

        return doubleFact;
    }
}