Question

1. Create a base class named Book. Data fields include title and author; functions include those that can set and display the fields. Derive two classes from the Book class: Fiction, which also contains a numeric grade reading level, and NonFiction, which contains a variable to hold the number of pages. The functions that set and display data field values for the subclasses should call the appropriate parent class functions to set and display the common fields, and include specific code pertaining to the new subclass fields. Write a main()func- tion that demonstrates the use of the classes and their functions. Save the file as Books.cpp.

Answer 1

Here is your code...

#include<iostream>
#include<string>
using namespace std;
class Book
{
protected:
string ttl;
string aut;
public:
Book(string title="", string author="")
{
ttl=title;
aut=author;
}
void setTitle(string newTitle)
{
ttl=newTitle;
}
void setAuthor(string newAuthor)
{
aut=newAuthor;
}
void display()
{
cout<<"Title:"<<ttl<<endl; cout<<"Author:"<<aut<<endl;
}
};
class Fiction: public Book
{
private:
int numericgradelevel;
public:
Fiction(string Title, string Author,int Level): Book(Title,Author){numericgradelevel=Level;}
void setLevel(int Level)
{
numericgradelevel=Level;
}
void display()
{
Book::display();
cout<<"Numeric grade reading level:"<<numericgradelevel<<endl;}
};

class NonFiction:public Book
{
private:
int pages;
public:
NonFiction(string Title, string Author, int number): Book(Title,Author){pages=number;}
void setNumber(int Number)
{
pages=Number;
}
void display()
{
Book::display();
cout<<"The number of pages:"<<pages<<endl;
}
};

int main()
{
Book ob1("The Haunted House","Richard");
Fiction ob2("The Night at Hotel","James",5);
NonFiction ob3("Zeology","Dr.Christine",578);
cout<<"Firstbook:"<<endl;
ob1.display();
cout<<"Second fictionbook:"<<endl;
ob2.display();
cout<<"Third nonfictionbook:"<<endl;
ob3.display();
return 0;
}