Srednia elementow

package com.company;

import java.util.Scanner;
import static java.lang.Math.*;

public class Main {

    public static void main(String[] args) {

        System.out.println("Podaj ilosc elementow: ");
        Scanner scanner = new Scanner(System.in);
        int quantity = scanner.nextInt();
        System.out.println("Podaj te liczby: ");
        int[] numbers = new int[quantity];
        double sum = 0.0;
        for(int i = 0; i < quantity; i++){
            numbers[i] = scanner.nextInt();
            sum += numbers[i]; //sum = sum + numbers[i] -  to jest to samo
        }

        double avarage = sum / quantity;
        System.out.println("Srednia wynosi: " + avarage);

    }

}