My solution to Helsinki mooc.fi java Programming exercise: 2_20 Repeating, breaking and remembering

RepeatingBreakingAndRemembering.java

import java.util.ArrayList;
import java.util.Scanner;

public class RepeatingBreakingAndRemembering {

    public static void main(String[] args) {
        
        // This exercise is worth five exercise points, and it is 
        // gradually extended part by part.
        
        // If you want, you can send this exercise to the server
        // when it's just partially done. In that case the server will complain about 
        // the parts you haven't done, but you'll get points for the finished parts.
        
        Scanner scanner = new Scanner(System.in);
        System.out.println("Give numbers:");
        ArrayList<Integer> numbers = new ArrayList<>();
        int sum = 0;
        int even = 0;
        int odd = 0;
        while(true){
            int number = scanner.nextInt();
            if (number == -1){
                break;
            }
            numbers.add(number);
        }
        for(int number : numbers){
            sum += number;
        }
        for(int number : numbers){
            switch(number % 2){
                case 0:
                    even++;
                    break;
                case 1:
                    odd++;
            }
        }
        System.out.println("Thx! Bye!");
        System.out.println("Sum: " + sum);
        System.out.println("Numbers: " + numbers.size());
        if (sum != 0) {
            System.out.println("Average: " + sum/(double)numbers.size());
        } else {
            System.out.println("Average: " + (double)sum);
        }
        System.out.println("Even: " + even);
        System.out.println("Odd: " + odd);
    }
}