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C++ Derived Classes

tonester (6)
I could really use some help, not sure where I have gone wrong. Thank you.

C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.CppBuild.targets(388,5): warning MSB8028: The intermediate directory (Debug\) contains files shared from another project (HWK 8.vcxproj). This can lead to incorrect clean and rebuild behavior.
1> main.cpp
1>c:\users\covell\desktop\c++ advanced objects\hwk 8\hwk 8\hwk 8\animal.h(6): error C2011: 'Animal' : 'class' type redefinition
1> c:\users\covell\desktop\c++ advanced objects\hwk 8\hwk 8\hwk 8\animal.h(6) : see declaration of 'Animal'
1>c:\users\covell\desktop\c++ advanced objects\hwk 8\hwk 8\hwk 8\bird.h(7): error C2504: 'Animal' : base class undefined
1>c:\users\covell\desktop\c++ advanced objects\hwk 8\hwk 8\hwk 8\mammal.h(7): error C2504: 'Animal' : base class undefined

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  //Animal.h
#include <iostream>
#include <string>
using namespace std;

class Animal
{
protected:
	string _name;
	double _weight;
public:
	Animal();
	Animal(string name, double weight);
	~Animal();
};
//Animal.cpp
#include "Animal.h"


Animal::Animal()
{

}

Animal::Animal(string name, double weight)
{
	this->_name = name;
	this->_weight = weight;
}

Animal::~Animal()
{

}
//Bird.h
#include "Animal.h"

#ifndef BIRD_H
#define BIRD_H

class Bird : public Animal
{
private:
	string _featherColor;
public:
	Bird(string name, double weight, string featherColor);
	~Bird();
	void showAnimal();
};

#endif
//Bird.cpp
#include "Bird.h"

Bird::Bird(string name, double weight, string featherColor)
{
	this->_name = name;
	this->_weight = weight;
	this->_featherColor = featherColor;
}

Bird::~Bird()
{

}

void Bird::showAnimal()
{
	cout << "Name: " << _name << endl
		<< "Weight: " << _weight << endl
		<< "Feather Color: " << _featherColor << endl << endl;
}
//Mammal.h
#include "Animal.h"

#ifndef MAMMAL_H
#define MAMMAL_H

class Mammal : public Animal
{
private:
	string _hairColor;
public:
	Mammal(string name, double weight, string hairColor);
	~Mammal();
	void showAnimal();
};

#endif
//Mammal.cpp
#include "Mammal.h"

Mammal::Mammal(string name, double weight, string hairColor)
{
	this->_name = name;
	this->_weight = weight;
	this->_hairColor = hairColor;
}

Mammal::~Mammal()
{

}

void Mammal::showAnimal()
{
	cout << "Name: " << _name << endl
		<< "Weight: " << _weight << endl
		<< "Hair Color: " << _hairColor << endl << endl;
}
//main.cpp
#include "Animal.h"
#include "Bird.h"
#include "Mammal.h"

int main()
{
	Bird bird("", 8.5, "gray");
	Mammal cow("", 8.5, "black and white");

	cout << "Bird Specifications:\n";
	bird.showAnimal();

	cout << "Cow Specifications:\n";
	cow.showAnimal();

	return 0;
}
Last edited on
AbstractionAnon (6954)
You don't have include guards in animal.h.

Lines 112-114 you're including animal.h multiple times.
112 first include
113 bird.h includes animal.h
114 mammal.h includes animal.h


tonester (6)
Thank you!
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