This UML object diagram for the library management system shows the key entities in a library's operations. Key entities include library members. They must pay, give feedback, and borrow books via a loan object with borrowing and return dates. The librarian manages the library. They oversee books, which have attributes like bookID, title, and ISBN. Each book connects to an author, publisher, and category. This UML object diagram for library management shows the interaction among members, books, and library staff. It highlights an efficient system to manage borrowing, payments, and book categorization. Perfect for understanding library management systems.