using System;

​

public class Program

{

    public static void Main()

    {

        int[] numbers = new int[]{1, 2, 3, 4, 5};

        // the compiler will determine the length

        Console.WriteLine($"Size: {numbers.Length}");

        Console.WriteLine($"numbers[2]: {numbers[2]}");

        Console.WriteLine("-------");

        // array initializer

        int[] numbers2 = {1, 2, 3, 4, 5};

        Console.WriteLine($"Size: {numbers2.Length}");

        Console.WriteLine($"numbers2[2]: {numbers2[2]}");

        Console.WriteLine("-------");

        // the compiler will infer the type

        var numbers3 = new[]{1, 2, 3, 4, 5};

        Console.WriteLine($"numbers3's type: {numbers3.GetType()}");

    }

}