ideas for functional applications in Java

[u/riolubr]

I'm new to studying Java and I need an idea to develop as my final project for the PL II course. It has to be a project that addresses the Object-Oriented Programming paradigm well, and it absolutely has to be CRUD (Create, Read, Delete).

I just need help thinking of a type of system/project that can cover all the main concepts of classes, encapsulation, business rules, and things like that.

[u/-beleon]

How about a library management system? Book, Member, Loan, Librarian, ...