Example of a master-detail application based on springboot that uses as a backend google firebase for managing a user with its roles. It was implemented a generic dao for the operations with the firebase database. I'm using insomia as a rest services client.

Basic web application to model car renting business process. Sticks to MVC architecture pattern where central front controller servlet consumes user requests, converts them to actions/commands, processes data and demonstrates result as JSP/JSTL web forms.

Full Java backend project featuring complete CRUD functionality using PostgreSQL and JDBC. Implements a generic DAO pattern, test-driven development (TDD) with JUnit 5, and secure environment-based configuration for database connections.

Generic DAO in Hibernate