OOP Lab 12: Library & Librarian System (Multi-Class Aggregation)

Model a Library Management System using multi-class aggregation across Book, Member, and Librarian:

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  Attributes: bookID (int), title (std::string), author (std::string), isAvailable (bool, default true).
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  Methods: setAvailability(bool status), getAvailability() const, display() const, getTitle() const.

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  Attributes: memberID (int), name (std::string), Book* borrowedBooks[3] (pointers), int borrowedCount.
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  Methods: borrowBook(Book* b) (marks book unavailable), returnBook(Book* b), displayBorrowedBooks() const.

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  Attributes: librarianID (int), name (std::string), Book* catalog[10], int catalogSize.
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  Methods: addBookToCatalog(Book* b), displayAvailableBooks() const.

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  Create books and add to Librarian catalog.
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  Member borrows available books, catalog updates availability status, and member returns a book.