PasterLak

public class Array3D<T>
{
    private T[] _data;

    private int _width;
    private int _height;
    private int _depth;
    
    public int Width => _width;
    public int Height => _height;

PasterLak

using System;

public class Programm
{
       
    public void Main(string[] arg)
    {

        Console.WriteLine("Hello World!");