Notes

Publication.h



#ifndef PUBLICATION_H
#define PUBLICATION_H
#include<iostream>
#include<string>
using namespace std;

class Publication{
private:
string title;
float price;
public:
virtual void getData();
virtual void putData();

};
void Publication :: getData()
{
cout<<"Enter the title : "<<endl;
cin>>title;
cout<<"Enter the price : "<<endl;
cin>>price;
}

void Publication :: putData()
{
cout<<"Title : "<<title<<endl;
cout<<" Price : "<<price<<endl;
}
#endif



Book.h

#ifndef BOOK_H
#define BOOK_H
#include "Publication.h"
#include<iostream>
#include<string>
using namespace std;
class Book : public Publication{

private:
int page;

public:
void getData();
void putData();
};
#endif

void Book :: getData()
{
Publication :: getData();
cout<<"Enter page number : "<<endl;
cin>>page;
}

void Book :: putData()
{
Publication :: putData();
cout<<"No. of Pages : "<<page;
}




Tape.h



#ifndef TAPE_H
#define TAPE_H
#include "Publication.h"
#include<iostream>
#include<string>
using namespace std;
class Tape:public Publication{
private:
float minutes;
public:
void getData();
void putData();
};

#endif

void Tape :: getData(){
Publication :: getData();
cout<<"Enter length in minute : "<<endl;
cin>>minutes;
}

void Tape :: putData()
{
Publication :: putData();
cout<<"Time : "<<minutes;
}



main.cpp

#include <iostream>
#include "Publication.h"
#include "Tape.h"
#include "Book.h"

using namespace std;

int main()
{
Publication *pub;
pub = new Book;
pub->getData();
pub->putData();
return 0;
}