Library Management System

The Library Management System is a Java application that provides functionality for managing books and users in a library. It allows users to perform various operations such as viewing books, adding books, updating books, deleting books, viewing users, adding users, updating users, and deleting users.

Features

The Library Management System includes the following features:

1. View all books: Displays a list of all books available in the library.
2. Add a book: Allows the user to add a new book to the library.
3. Update a book: Allows the user to update the details of an existing book.
4. Delete a book: Allows the user to delete a book from the library.
5. View all users: Displays a list of all users registered in the library system.
6. Add a user: Allows the user to add a new user to the library system.
7. Update a user: Allows the user to update the details of an existing user.
8. Delete a user: Allows the user to delete a user from the library system.
9. Exit: Exits the application.

Structure

• DataObject: Contains the data objects representing books and users.
• DAO layer: Defines the interfaces for data access objects (DAO) used to interact with the database or data source.
• DAOImp: Implements the DAO interfaces and provides in-memory data storage for books and users.
• IDataBaseConnection: database interfaces
• MockDataBaseConnection: Implements the IDataBaseConnection interface