using System;

public class Animal

{

    public string name;

    private double weight;

    public void EatFood()

    {

        Console.WriteLine("Animal eating... "+ name);

    }

    public void Breed()

    {

        Console.WriteLine("Breeding... " + name);

    }

}

​

public class Cow : Animal

{

    public Cow(string n)

    {

        this.name= n;

    }

    public void Moo()

    {

        Console.WriteLine("Mooing..."+ name);

    }

    public void Supply_milk()

    {

        Console.WriteLine("Milk Supplied..."+ name);

    }

    public void EatFood()

    {

        Console.WriteLine("Cow eating... "+ name);

    }

    public void Breed()

    {

        Console.WriteLine("Cow breeding... "+ name );

    }

}

​

​

public class Chicken : Animal // the ":" makes the connection

{

    public Chicken(string n)

    {

        this.name= n;  // note "THIS" is how we access the base class fields/properties

//      this.weight = 100;  // would not work

    }

    public void Cluck()

    {

        Console.WriteLine("Clucking...");

    }

    public void EatFood()

    {

        Console.WriteLine("Chicken eating... "+ name);

    }

    public static void Main()

    {

        // testing a general animal

        Animal A1 = new Animal();

        A1.Breed();

        A1.EatFood();

        // testing a chicken

        Animal A2 = new Chicken("Trash Panda");  // This is inheritance in action! 

        A2.Breed();

        A2.EatFood();

        //A2.Cluck();  Why won't this work?

        // ((Chicken)A2).EatFood(); what about this?

        //testing a cow

        Animal A3 = new Cow("Betsy");

        ((Cow)A3).Moo();

        ((Cow)A3).Supply_milk();

        A3.EatFood();

        A3.Breed();

    }

}