214: Develop a C++ program to simulate a basic library system. Create a base class "Book" with attributes like title and author. Derive a class "EBook" from "Book" to include additional attributes like file size and format. Make display function with same name as in parent class


// Develop a C++ program to simulate a basic library system. Create a base class "Book" with
// attributes like title and author. Derive a class "EBook" from "Book" to include additional
// attributes like file size and format.
// Make display function with same name as in parent class

#include <iostream>
using namespace std;
class Book
{
private:
    string title, author;

public:
    Book(string t = "", string a = "") { title = t, author = a; }
    virtual void displayBook() { cout << "Title: " << title << "\nAuthor: " << author << endl; }
};

class EBook : protected Book
{
private:
    int file_size;
    string format;

public:
    EBook(string t = "", string a = "", int fs = 0, string f = "") : Book(t, a) { file_size = fs, format = f; }
    void displayBook() override;
};
void EBook::displayBook()
{
    Book::displayBook();
    cout << "File Size: " << file_size << " mb" << endl << "Format: " << format << endl;
}
int main()
{
    EBook eb1("No Freakin Way", "Developer", 32, "pdf");
    eb1.displayBook();
    return 0;
}


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