Language: C++

Key Notes: All the classes should have

At least a default constructor, a copy constructor and a destructor

Accessing functions

A print function

Q4. Class TextBook (10 marks) TextBook is a specialized Book. A textbook has an additional attribute, Web URL (Uniform Resource Locator), where students can find additional material such as slides, exercises, etc. 1. TextBook is a derived class of Book 2. It implements additional functions related to the setting and getting the URL