Table + coffetable + array Learn programming C#

using System;
namespace Tables2
{
    class CoffeeTable : Table
    {
        public CoffeeTable(float width, float height)
        {
            this.width = width;
            this.height = height;
        }
        public override void ShowData()
        {
            Console.WriteLine("(Coffee table) Width: {0}, Heigth: {1}", width, height);
        }
    }

    class Table
    {
        protected float width, height;

        public Table()
        {
        }
        public Table(float width, float height)
        {
            this.width = width;
            this.height = height;
        }

        public float Width
        {
            set { width = value; }
            get { return width; }
        }
        public float Height
        {
            set { height = value; }
            get { return height; }
        }

        public virtual void ShowData()
        {
            Console.WriteLine("Width: {0}, Heigth: {1}", width, height);
        }
    }

    class TestTables
    {
        static void Main()
        {
            bool debug = false;

            Table[] myTables = new Table[10];
            Random rnd = new Random();

            for (int i = 1; i <= 10; i++)
            {
                if ((i % 2 == 0) && (i != 1))
                {
                    myTables[i - 1] = new Table(rnd.Next(50, 201), rnd.Next(50, 201));
                    myTables[i - 1].ShowData();
                }
                else
                {
                    myTables[i - 1] = new CoffeeTable(rnd.Next(40, 121), rnd.Next(40, 121));
                    myTables[i - 1].ShowData();
                }

            }

            if (debug)
                Console.ReadLine();
        }
    }
}