Java application, made as an university project through the 3rd semester, focused on solidifying my understanding of design patterns, such as the layered architecture pattern or the Observer/Observable pattern.

Main functionalities:

• requesting, accepting, declining and deleting friendships for the account the user is logged into
• sending messages and replying to messages between two accounts, the chat being refreshed using the Observer/Observable pattern.

Technologies used:

• Java (+ JavaFX for the frontend)
• PostgreSQL database