Question

C# - Inheritance exercise

I could not firgure out why my code was not working. I was hoping someone could do it so i can see where i went wrong.

STEP 1: Start a new C# Console Application project and rename its main class Program to ZooPark. Along with the ZooPark class, you need to create an Animal class. The ZooPark class is where you will create the animal objects and print out the details to the console. Add the Animal class to the project. The Animal class will be a blue print for the animal objects and will contain the states and behaviours relevant to all animals. STEP 2: You will now need to add several variables and methods to the Animal class. Let's declare the attributes (states) that the animal will have, e.g. name, age, and etc. This should be declared in the Animal class as follows. class Animal private String name; private String diet; private String location; private double weight; private int age; private String colour; Add a constructor to the Animal class that will allow you to create an instance of the Animal class with the details specified by the code below. public Animal(String name, String diet, String location, double weight, int age, String colour) this.name = name; this.diet = diet; this. location = location; this.weight = weight; this.age = age; this.colour = colour; We now have enough set up to be able to create Animal objects in the ZooPark class. Therefore, let's navigate to the main ZooPark class and write the following code in its Main method.

Answer 1

Short Summary:

• Have have all the common properties and methods in the base class
• Make sure to have virtual methods in base class to override the methods in sub classes.
• Sub class constructor should call its base constructor to assign values of its base class attributes.
• Provided all the base and super classes requested for.
• And main method in ZooPark class tests all the methods.

Source Code:

Animal.cs:

using System;

namespace Task02

{

    class Animal

    {

        private String name;

        private String diet;

        private String location;

        private double weight;

        private int age;

        private String colour;

        public Animal(String name,String diet, String location,double weight,int age, String colour)

        {

            this.name = name;

            this.diet = diet;

            this.location = location;

            this.weight = weight;

            this.age = age;

            this.colour = colour;

        }

        public virtual void eat()

        {

            Console.WriteLine("An animal eats");

        }

        public virtual void sleep()

        {

            Console.WriteLine("An animal sleeps");

        }

        public virtual void makeNoise()

        {

            Console.WriteLine("An animal makes an noise");

        }

    }

}

Wolf.cs:

using System;

namespace Task02

{

    class Wolf : Animal

    {

        public Wolf(String name, String diet, String location, double weight,

            int age, String colour) : base(name, diet, location, weight, age, colour)

        {

        }

      

        public override void makeNoise()

        {

            Console.WriteLine("HOWLSSSSSSS");

        }

        public override void eat()

        {

            Console.WriteLine("I can eat 10lbs of meat");

        }

    }

}

Feline.cs:

using System;

namespace Task02

{

    class Feline : Animal

    {

        private String species;

        public Feline(String name, String diet, String location, double weight, int age, String colour,

            String species): base(name, diet, location, weight, age, colour)

        {

            this.species = species;

        }

        public override void sleep()

        {

            Console.WriteLine("Feline Sleeps for 10 hrs");

        }

    }

}

Lion.cs:

using System;

namespace Task02

{

    class Lion : Feline

    {

        public Lion(String name, String diet, String location, double weight, int age, String colour,

            String species) : base(name, diet, location, weight, age, colour,species)

        {

        }

        public override void makeNoise()

        {

            Console.WriteLine("Lion RoarsssssS");

        }

        public override void eat()

        {

            Console.WriteLine("I can eat 25lb of meat");

        }

    }

}

Tiger.cs:

using System;

namespace Task02

{

    class Tiger : Feline

    {

        private String colourStripes;

        public Tiger(String name, String diet, String location, double weight, int age, String colour,

            String species, String colourStripes) : base(name, diet, location, weight, age, colour,species)

        {

            this.colourStripes = colourStripes;

        }

        public override void makeNoise()

        {

            Console.WriteLine("ROARRRRRRRRRRRRRRRRRR");

        }

        public override void eat()

        {

            Console.WriteLine("I can eat 20lbs of meat");

        }

    }

}

Birds.cs:

using System;

namespace Task02

{

    class Birds : Animal

    {

        private String species;

        private double wingSpan;

        public Birds(String name, String diet, String location, double weight, int age, String colour,

            String species, double wingSpan) : base(name, diet, location, weight, age, colour)

        {

            this.species = species;

            this.wingSpan = wingSpan;

        }

       

        public virtual void fly()

        {

        }

       

    }

}

Eagle.cs:

using System;

namespace Task02

{

    class Eagle : Birds

    {

        public Eagle(String name, String diet, String location, double weight, int age, String colour,

            String species, double wingSpan) : base(name, diet, location, weight, age, colour,species,wingSpan)

        {

        }

        public void layEgg()

        {

        }

        public override void fly()

        {

            Console.WriteLine("Eagle Flys");

        }

        public override void makeNoise()

        {

            Console.WriteLine("WHISTLESSS");

        }

        public override void eat()

        {

            Console.WriteLine("I can eat 1lb of fish");

        }

    }

}

Penguin.cs:

using System;

namespace Task02

{

    class Penguin : Birds

    {

        public Penguin(String name, String diet, String location, double weight, int age, String colour,

            String species, double wingSpan) : base(name, diet, location, weight, age, colour, species, wingSpan)

        {

        }

        public override void fly()

        {

            Console.WriteLine("Penguin cannot Fly");

        }

        public override void makeNoise()

        {

            Console.WriteLine("Pennnnnn");

        }

        public override void eat()

        {

            Console.WriteLine("I can eat 0.5lb of reptiles");

        }

    }

}

ZooPark.cs:

using System;

namespace Task02

{

    class ZooPark

    {

        static void Main(string[] args)

        {

            //Animal williamWolf = new Animal("William the Wolf", "Meat", "Dog Village", 50.6, 9, "Grey");

            //Animal tonyTiger = new Animal("Tony the Tiger", "Meat", "Cat Land", 110, 6, "Orange and White");

            //Animal edgerEagle = new Animal("Edger the Eagle", "Fish", "Bird Mania", 20, 15, "Black");

            Animal baseAnimal = new Animal("Animal Name", "Animal Diet", "Animal Location", 0.0, 0, "Animal Colour");

            Tiger tonyTiger = new Tiger("Tony the Tiger", "Meat", "Cat Land", 110, 6, "Orange and White", "Siberian", "White");

            Wolf williamWolf = new Wolf("William the Wolf", "Meat", "Dog Village", 50.6, 9, "Grey");

            Eagle edgerEagle = new Eagle("Edger the Eagle", "Fish", "Bird Mania", 20, 15, "Black", "Speci", 5.5);

            Penguin penguin = new Penguin("Heppy the Penguin", "Reptiles", "Aquaruim", 10, 5, "Black and White", "Pen species", 3.5);

            baseAnimal.makeNoise();

            tonyTiger.makeNoise();

            williamWolf.makeNoise();

            edgerEagle.makeNoise();

            baseAnimal.eat();

            tonyTiger.eat();

            williamWolf.eat();

            edgerEagle.eat();

            baseAnimal.sleep();

            tonyTiger.sleep();

            williamWolf.sleep();

            edgerEagle.sleep();

            edgerEagle.fly();

            penguin.fly();

            Console.ReadLine();

        }

    }

}

SAMPLE RUN:

An animal nakes an noise ROARRRRRRRRRRRRRRRRRR HOWLSSSSSSS WHISTLESSS An animal eats I can eat 201bs of neat I can eat 10lbs of meat I can eat 1 lb of fish An aninal sleeps Feline Sleeps for 10 hrs An animal sleeps An animal sleeps Eagle Flys Penguin cannot Fly

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