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Source Code
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#include <iostream>
#include <cstring>
using namespace std;
class media // defining base class
{
protected:
char title[50];
float price;
public:
media(char *s, float a)
{
strcpy(title, s);
price = a;
}
virtual void display() {}
};
class book : public media
{
int pages;
public:
book(char *s, float a, int p) : media(s, a)
{
pages = p;
}
void display(); //a declaration
};
class tape : public media
{
float time;
public:
tape(char *s, float a, float t) : media(s, a)
{
time = t;
}
void display() ; //a declaration
};
void book ::display() // function to display book details
{
cout << "\n Title: " << title;
cout << "\n Pages: " << pages;
cout << "\n Price: " << price;
}
void tape::display() // function to display tape details
{
cout << "\n Title: " << title;
cout << "\n Playtime: " << time;
cout << "\n Price: " << price;
}
int main()
{
char *title = new char[30]; // creating a array of characters using 'new' for storing title
float price, time;
int pages;
//Book Details
cout << "\n Enter Book Details \n";
cout << "Title: ";
cin >> title;
cout << "Price: ";
cin >> price;
cout << "Pages: ";
cin >> pages;
book book1(title, price, pages);
//Tape Details
cout << "\n Enter Tape Details \n";
cout << "Title: ";
cin >> title;
cout << "Price: ";
cin >> price;
cout << "Play time (mins): ";
cin >> time;
tape tape1(title, price, time);
media *list[2];
list[0] = &book1;
list[1] = &tape1;
cout << "\n Media Details";
cout << "\n.....Book....";
list[0]->display(); // display Book details
cout << "\n.....Tape....";
list[1]->display(); // display Tape details
return 0;
}
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