we are using cpp. put comments to help me understand

Bookstore Application C++ The Goal is to design two classes Book and Bookstore Manager, the properties are shown below. The Client will be able to add Book objects to a bookstore object as well as other typical behaviors, such as removing items from the array The Bookstore Manager class will contain Book objects. The Books will be stored in a primitive, 1-dim array, which is dynamically allocated. This will allow the array to be "resized" once it is full. Class book title: string isbn: unsigned int vector string epublisher:string +Book +Bookfint) -Book (string&, int, vectorestring, string&) // Mutator Methods +SetPublisher(string&):void -setISBNint:void setAuthor(int, string bool // Observer Methods *pet Title): string peti() int getAuthor(int): string getPublisher : string .toString: string Class bookstore Manager books Book - imbrBooks: int arrayCapacity.int INIT_SIZE: staic const int -RESIZE_FACTOR: static const int +Bookstore Manager) Bookstore Manager(const Bookstore Manager) Bookstore Manager) // Mutator Methods insert const Book&); void remove const Books): bool remove Publisher(string): int // Observer Methods isEmpty bool capacity(): unsigned listSize(): unsigned search const Book: unsigned getISBNint getAuthor(int): string getPublisher() string +oString): string