namespace AbstractionReptiles

{

    public abstract class Reptile

    {

        #region Constructors

        public Reptile(string name, string species)

        {

            Name = name;

            Species = species;

        }

        #endregion

​

        #region Methods

        public abstract void Move();

        public abstract void Eat();

        #endregion

​

        #region Properties

        public string Name { get; set; }

        public string Species { get; set; }

        #endregion

    }

​

    public class Dinosaur : Reptile

    {

        #region Constructors

        public Dinosaur(string name, string species, string period) : base(name, species)

        {

            Period = period;

        }

        #endregion

​

        #region Overrides

        public override void Move()

        {

            Console.WriteLine("Dinosaurs can walk or run.");

        }

​

        public override void Eat()

        {

            Console.WriteLine("Dinosaurs hunt and eat.");

        }

        #endregion

​

        #region Properties

        public string Period { get; set; }

        #endregion

    }

​

    public class Lizard : Reptile

    {

        #region Constructors

        public Lizard(string name, string species, bool canChangeColor) : base(name, species)

        {

            CanChangeColor = canChangeColor;

        }

        #endregion

​

        #region Overrides

        public override void Move()

        {

            Console.WriteLine("Lizards can crawl or climb.");

        }

​

        public override void Eat()

        {

            Console.WriteLine("Lizards scavenge for their food.");

        }

        #endregion

​

        #region Properties

        public bool CanChangeColor { get; set; }

        #endregion

    }

​

    public class Snake : Reptile

    {

        #region Constructors

        public Snake(string name, string species, bool isVenomous) : base(name, species)

        {

            IsVenomous = isVenomous;

        }

        #endregion

​

        #region Overrides

        public override void Move()

        {

            Console.WriteLine("Snakes can slither.");

        }

​

        public override void Eat()

        {

            Console.WriteLine("Snakes hunt prey before swallowing them.");

        }

        #endregion

​

        #region Properties

        public bool IsVenomous { get; set; }

        #endregion

    }

​

    internal class Program

    {

        static void Main(string[] args)

        {

            Dinosaur tRex = new Dinosaur("Tyrannosaurus Rex", "T. rex", "Late Cretaceous");

​

            Lizard chameleon = new Lizard("Panther Chameleon", "Furcifer pardalis", true);

​

            Snake cobra = new Snake("King Cobra", "Ophiophagus hannah", true);

​

            Console.WriteLine("Dinosaur:");

            Console.WriteLine($"{tRex.Name} ({tRex.Species}), lived in the {tRex.Period} period.");

            tRex.Move();

            tRex.Eat();

            Console.WriteLine();

​

            Console.WriteLine("Lizard:");

            Console.WriteLine($"{chameleon.Name} ({chameleon.Species}), can change color: {chameleon.CanChangeColor}.");

            chameleon.Move();

            chameleon.Eat();

            Console.WriteLine();

​

            Console.WriteLine("Snake:");

            Console.WriteLine($"{cobra.Name} ({cobra.Species}), venomous: {cobra.IsVenomous}.");

            cobra.Move();

            cobra.Eat();

        }

    }

}