using System;

public class Animal

{

    //both are fields

    public string name;

    private double weight;

    //void means there's no return

    public void EatFood()

    {

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

    }

    public void Breed()

    {

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

    }

}

​

​

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

{

    //This ia a constructor as you can see Chicken matches the class

    public Chicken(string n)

    {

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

//      this.weight = 100;  // would not work because weight is a private field

    }

    public void Cluck()

    {

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

    }

    public void EatFood()//the warning is essentially saying that we already have this method in Animal class, but in this case we do want to rewrite it

    {

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

    }

    public static void Main()

    {

        // testing a general animal

        Animal A1 = new Animal();

        A1.Breed();

        A1.EatFood();

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

        // testing a chicken

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

        A2.Breed();

        A2.EatFood();

        //A2.Cluck();  This won't work because A2, which is in Animal class, doesn't have Cluck method 

        ((Chicken)A2).EatFood(); 

        ((Chicken)A2).Cluck();

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

        //testing a chicken by creating directly in chicken class

        Chicken A3 = new Chicken("Racoon");  // This is inheritance in action! 

        A3.Breed();

        A3.EatFood();

        A3.Cluck();  

    }

}

​

​

​