Question

Model a library system for the college using a UML class diagram (with a tool of your choice, such as Astah).
• Identify the most important classes.
• Specify the most important attributes of the classes as an example.
• Specify the most important methods with the required parameters.
• Pay attention to the required relationships and inheritance structures.
• For each relationship, specify the cardinalities and, if appropriate, roles and navigation directions.
Goal of the system
Users can borrow books and other media such as eBooks, magazines, CDs and DVDs from the library.
• There are several copies for some book titles or media.
• All available books and media are entered in a library catalog and can be created and searched.
• Users can borrow, return, renew items.
• Users can mark books or media.
• Each user has an address and a status (Prof., Studi etc.).
• All users are listed in a user catalog where library employees can search by name or number.
• Reminders are issued for books not returned on time and dunning fees are incurred.

Answer 1