Book Management system design class diagram

First, book Management class diagram

Class: Book Class (Entity Class), bibliography class, Book Management interface Class (Control Class), Student Class (entity Class), Book Class (entity Class), borrowing interface class, return interface class, appointment interface class

Second, the Book Management activity Chart

Action Status: User login, verify login, manage books, verify books and other parts .....

III. Book management use case diagram

Participant: Librarian, student

Use case: Student part (add, modify, delete student information), book part (add, modify, delete book information), as well as borrow books, return books, user login

The use case diagram looks like this:

IV. Book Management collaboration diagram

Classifier role: Student, Administrator, book, Display book Information interface

Five, book Management sequence diagram

Objects: Administrators, systems, bibliography, book information

Book Management system design class diagram