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From Java to Spring Boot: A Practical Beginner’s Guide to Building REST APIs, Connecting PostgreSQL, Managing Data with Spring Data JPA, and Securing Applications - Softcover
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Ready to move beyond basic Java and build your first Spring Boot application?
Knowing Java syntax is one thing. Turning it into a working backend can feel like a much bigger step. From Java to Spring Boot gives you a clear route through that step by building one task management REST API from start to finish.
You’ll begin with a Spring Boot project you can run and understand. Then you’ll add REST endpoints, organize your code into controllers and services, connect PostgreSQL, and use Spring Data JPA to store and retrieve tasks. As the project grows, you’ll add complete CRUD operations, request validation, useful error responses, basic security, and a focused API test.
Inside, you’ll learn to:
Understand how a client request moves through a Spring Boot application
Build endpoints that exchange JSON data
Separate controller and service responsibilities
Persist application data in PostgreSQL with Spring Data JPA
Create, read, update, and delete records
Validate requests and handle common failures
Protect selected endpoints and verify the finished API
The lessons build on the same project, with code explanations and expected results that help you check your progress. You won’t need prior Spring Boot or professional backend experience, just a working knowledge of basic Java concepts such as classes, methods, and objects.
Build the application. Understand how the parts connect. Gain a practical foundation for your next backend project.
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From Java to Spring Boot: A Practical Beginner's Guide to Building REST APIs, Connecting PostgreSQL, Managing Data with Spring Data JPA, and Securing Applications
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