Spring Boot 3: Build Web Applications and REST APIs

Developing robust backend applications does not have to be overwhelming. Spring Boot 3 simplifies Java development, allowing you to focus on writing clean business logic instead of complex configuration. Through written explanations and structured code examples, you will transition from a Java beginner to a confident backend developer. You will understand how Spring Boot manages dependencies, connects to databases, and exposes endpoints to the web, preparing you to build production-ready APIs and web applications. What you'll learn: - Understand the core foundations of Spring Boot, including auto-configuration, dependency injection, and starter projects - Build RESTful APIs from scratch using modern Spring Boot 3 routing and controller conventions - Connect your applications to relational databases using Spring Data JPA and Hibernate - Apply modern Java features, such as Records for data transfer objects, to write cleaner backend code - Implement essential security practices to protect your endpoints and secure user data - Write clean integration and unit tests using JUnit 5 to ensure your application runs reliably This text-based course begins with the absolute basics of the Spring ecosystem before guiding you step-by-step through database integration, API design, and modern deployment practices. You will learn by reading clear explanations and examining practical code snippets that you can immediately apply. This course is designed for aspiring backend developers, students, and Java programmers who want to learn Spring Boot 3. No prior experience with Spring is required, though a basic understanding of Java is recommended. Start reading today and build your first modern Java backend with Spring Boot 3.