Build practical skills in RESTful API development with Spring Boot by creating a complete Pet Clinic backend application. Designed for learners seeking hands-on experience with Java REST API development, this course takes you from project setup and domain modeling to a functional, maintainable REST API.
You’ll configure a Maven-based Spring Boot project, create reusable JPA entity models, and develop data access layers with Spring Data JPA. You’ll strengthen API reliability by implementing custom exceptions and centralized error handling with @ControllerAdvice. You’ll also use Jackson serializers to control JSON output and create clean, secure API responses.
As the project progresses, you’ll build REST controllers, connect service and repository layers, and implement CRUD operations through structured HTTP endpoints. What makes this course distinctive is its practical Pet Clinic case study, which brings domain modeling, persistence, exception handling, serialization, layered architecture, and REST controllers together in one project.
By the end, you’ll be able to design and implement maintainable RESTful APIs with Spring Boot using a structured, layered approach.
Intermediate·Course·7 hours
Featured reviews
5.0
·Reviewed Jan 28, 2026
Great focus on layered architecture and best practices. Exception handling and JSON customization were especially useful.
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Sheikh
5.0
·Reviewed Dec 27, 2025
I appreciated how the course focused on both development and design. The layered architecture approach made me rethink how I build applications. I also liked the hands-on aspect of CRUD operations, which reinforced how repositories, services, and controllers fit together. This project felt like real-world development, not just a tutorial.
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Farah
5.0
·Reviewed Dec 10, 2025
This was a very practical learning journey. I liked that the course didn’t just stop at CRUD—it emphasized building robust, production-ready APIs. Exception handling, serialization, and layered design were all explained in detail. The Pet Clinic case study made it easier to visualize how these concepts apply in real business scenarios.
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Justin
5.0
·Reviewed Oct 2, 2025
This course was exactly what I needed to strengthen my Spring Boot skills. The Pet Clinic project gave me a realistic case study to work with. I especially liked how Module 1 focused on entity classes and repositories—it really clarified how JPA ties everything together. By the end, I felt confident building a clean, layered REST API.
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Ankur
5.0
·Reviewed Dec 2, 2025
I really appreciated the focus on best practices. This wasn’t just about coding—it was about writing maintainable, testable APIs. The layered architecture explanations helped me understand why separation of concerns matters. I also loved the Jackson customization, as it gave me control over exactly how my JSON outputs looked.
R
Ravi
5.0
·Reviewed Nov 27, 2025
The modular structure made learning smooth. Module 1 gave me the basics with entity classes and JPA, then Module 2 added depth with exception handling and Jackson. By Module 3, building controllers and service layers felt natural. The CRUD operations exercise tied everything together perfectly. I walked away with real skills.
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Raja
5.0
·Reviewed Nov 23, 2025
The modular structure made learning smooth. Module 1 gave me the basics with entity classes and JPA, then Module 2 added depth with exception handling and Jackson. By Module 3, building controllers and service layers felt natural. The CRUD operations exercise tied everything together perfectly. I walked away with real skills.
L
Lakesha
5.0
·Reviewed Jan 8, 2026
This course has a great balance between coding exercises and conceptual explanations. I enjoyed the exception handling section the most. Learning how to implement controller advice properly made my APIs far more reliable. The project-based format also made me feel like I was working on something real, not just toy examples.
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ashna
5.0
·Reviewed Jan 13, 2026
I loved the structured flow of this course. It started simple with JPA entities, then moved into error handling, and finally controllers and CRUD endpoints. The layered architecture pattern was explained in a way I could understand, even as someone still new to Spring Boot. The Pet Clinic app was a perfect case study.
H
Harsh
5.0
·Reviewed Jan 18, 2026
I’ve done a few Spring Boot tutorials before, but this course went further by emphasizing professional practices. The JSON serialization lessons were particularly useful, as I never knew how much control I could have over responses. Building out CRUD endpoints for the Pet Clinic felt like a mini real-world project.
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rupam
5.0
·Reviewed Dec 16, 2025
The Pet Clinic project gave context that made everything click. I enjoyed working through the repositories and then seeing how they connected to service and controller layers. The CRUD operations demo was excellent practice. The JSON customization with Jackson was also new to me, and I found it incredibly useful.
M
Maya
5.0
·Reviewed Nov 13, 2025
As a beginner to REST APIs, I found this course very practical. Starting with domain modeling and gradually building up to controllers and CRUD operations made it easy to follow. The JSON serialization customization in Module 2 was a highlight for me, as I finally understood how to control API responses properly.
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Urmila
5.0
·Reviewed Dec 30, 2025
The Pet Clinic application was a great project to learn from. Module 1 introduced entities and repositories in a clear way, and the later modules built on top of that foundation. The serialization section was a big takeaway for me—it showed how to keep APIs clean and secure. A very well-structured course.
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Anuj
5.0
·Reviewed Dec 21, 2025
This course really helped me bridge theory and practice. I’ve read about REST APIs before, but building one with Spring Boot step by step gave me confidence. The module on exception handling stood out—it taught me to build APIs that fail gracefully, which I know is a critical skill in real applications.
V
Vashu
5.0
·Reviewed Dec 7, 2025
The course is concise but powerful. I had always struggled with exception handling in Spring Boot, but Module 2 broke it down clearly. The @ControllerAdvice model was explained really well. By the end, I had built a clean and fully working Pet Clinic API, and I feel prepared to tackle real projects.
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Aman
5.0
·Reviewed Jan 3, 2026
I was impressed with how much I learned in a short time. The CRUD operations through REST endpoints were explained step by step, and I could follow along without confusion. The use of JPA and repository interfaces was practical and gave me a better grasp of data persistence. Highly recommended.
F
Firdaus
5.0
·Reviewed Nov 18, 2025
I loved how hands-on this course was. Instead of just theory, I was building a real API step by step. The Pet Clinic example felt realistic and engaging. The lessons on exception handling were very valuable—I now know how to make APIs not only functional but also secure and user-friendly.
C
Cimxeeb
5.0
·Reviewed Jan 29, 2026
Great focus on layered architecture and best practices. Exception handling and JSON customization were especially useful.