Inheritance example for Introduction to Programming

Angler.cs

using System;
using static System.Console;

namespace UnderWaterWorld
{
    class Angler: Creature
    {
        public Angler(string _name, string _greeting) : base(_name, _greeting)
        {
            name = _name;
            greeting = _greeting;
        }
        public Angler(string _name, string _greeting, ConsoleColor _color)
        {
            name = _name;
            greeting = _greeting;
            color = _color;
        }
    }
}

Creature.cs

using System;
using static System.Console;

namespace UnderWaterWorld
{
    class Creature
    {
        protected string name = "";
        protected int size = 0;
        protected string greeting = "hello";
        protected ConsoleColor color = ConsoleColor.Cyan;

        public Creature()
        {

        }
        public Creature (string _name, string _greeting)
        {
            name = _name;
            greeting = _greeting;
           
        }

        public Creature(string _name, string _greeting, ConsoleColor _color)
        {
            name = _name;
            greeting = _greeting;
            color = _color;
        }

        public void Talk()
        {
            Write(name + " says: ");
            ForegroundColor = color;
            Write(greeting + "\n");
            ResetColor();
        }

        public void Eat(string food)
        {
            WriteLine(name + " eats " + food + "\n");
        }
    }
}

Octopus.cs

using System;
using static System.Console;

namespace UnderWaterWorld
{
    class Octopus: Creature
    {
        public Octopus(string _name, string _greeting) : base(_name, _greeting)
        {
            name = _name;
            greeting = _greeting;
        }
        public Octopus(string _name, string _greeting, ConsoleColor _color)
        {
            name = _name;
            greeting = _greeting;
            color = _color;
        }

    }
}

Program.cs

namespace UnderWaterWorld
{
    class Program
    {
        static void Main()
        {
            World world = new World();
        }
    }
}

Shark.cs

using System;

namespace UnderWaterWorld
{
    class Shark: Creature
    {
        public Shark(string _name, string _greeting) : base(_name, _greeting)
        {
            name = _name;
            greeting = _greeting;
        }
        public Shark(string _name, string _greeting, ConsoleColor _color)
        {
            name = _name;
            greeting = _greeting;
            color = _color;
        }

    }
}

World.cs

using System;
using System.Collections.Generic;
using static System.Console;

namespace UnderWaterWorld
{
    class World
    {
        //create instances of the creatures
        Creature sam, dolly, fig, jack, violet, petunia;
        //create a list to store the creature instances
        List<Creature> creatures = new List<Creature>();
        //instance of random
        Random random = new Random();
        //array of strings - food items
        string[] food = new string[] {"yogurt", "pineapple", "gold fish crackers", "broccoli", "an old shoe", "fish food", "a soggy peanut butter and jelly sandwich" };

        public World()
        {
            Title = "Under Water World Inheritance Example";
            
            //constructors are overloaded: pass in 2 or 3 arguments
            fig = new Octopus("Fig", "Greetings");
            jack = new Octopus("Jack", "Greetings", ConsoleColor.Yellow);
            violet = new Angler("Violet", "Greetings", ConsoleColor.Magenta);
            petunia = new Angler("Petunia", "Greetings");
            sam = new Shark("Sam", "Rawwwwr", ConsoleColor.Red);
            dolly = new Shark("Dolly", "Yippeeeeeee");

            //add instances to a list
            creatures.Add(sam);
            creatures.Add(dolly);
            creatures.Add(fig);
            creatures.Add(jack);
            creatures.Add(violet);
            creatures.Add(petunia);

            //for each instance in the creatures list,
            //call the methods Talk and Eat,
            //and pass into Eat a random string from the food array
            foreach(Creature c in creatures)
            {
                c.Talk();
                c.Eat(food[random.Next(food.Length)]);
            }

           
            //keep the window open
            ReadKey();
        }
    }
}