This project-based course equips learners with the skills to design, construct, and implement RESTful APIs using Spring Boot through a complete case study of a Pet Clinic application. Following a modular structure, the course progresses from project setup and domain modeling to advanced layers such as exception handling, serialization, and RESTful service integration.

In Module 1, learners will create and organize entity classes, define base structures using JPA, and construct repository interfaces for data access. Module 2 guides learners to develop robust exception handling mechanisms and customize JSON serialization using Jackson, ensuring clean and secure API responses. Finally, in Module 3, learners will build REST controllers, integrate service layers, and execute CRUD operations through structured HTTP endpoints. Throughout the course, emphasis is placed on applying best practices in layered architecture, analyzing component responsibilities, and evaluating results through testable and maintainable API endpoints. By the end of the course, learners will be able to: • Construct RESTful services using Spring Boot and Spring Data JPA • Implement exception handling strategies using Spring's controller advice model • Apply custom serialization and re-serialization for controlled JSON output • Develop and deploy a fully functional, modular REST API project • Demonstrate complete CRUD functionality using integrated service and controller layers