Spring Basics

• Dependency Injection / Inversion of Control
• Spring Beans
• Explicit / dynamic creation of Beans
• Autowiring / Component Scan
• Bean Scopes

Configuration

• Internal configuration / profiles
• @Configuration
• Spring Boot Auto configuration
• Conditional configuration
• Project structure of a Spring Boot application
• External configuration / configuration files
• Troubleshooting dependency resolution problems
• Spring Boot starters
• start.spring.io
• Testing Beans

Spring MVC

• Implementing a simple REST API
• @Controller / @RestController
• Implementing GET, POST, PUT, DELETE
• Request parameters & path variables
• Parsing/Serializing JSON for RESTful APIs
• Integration tests with JUnit
• Configuration of Spring MVC and the underlying web server
• Using templates for HTML generation
• Static resources
• Error handling

Spring Data JPA

• Java persistence technologies and their relationship
• Spring Data JPA and its advantages
• Entities with JPA
• Persistence with plain JPA (EntityManager, Criteria Queries, ...)
• Persistence configuration
• Spring Data JPA Repositories
• Complex Queries using Repositories
• Modelling Relations
• Persistence with JDBCTemplate
• Validation using JSR 303 Bean Validation
• Built-in & custom validations
• Transaction management
• Database initialization (Seeds)
• Seeds and migrations using flyway

Reactive Spring

• Short introduction of non-blocking IO & reactive programming
• Project Reactor as the underlying technology of Reactive Spring
• Spring WebFlux && Spring WebFlux.fn
• Spring WebClient

Spring Boot Actuators

• Info
• Health
• Metrics

• Overview of Spring Boot & plain Spring ecosystem and their relationship
• Spring Boot best practices & caveats
• Learn the tools for writing production-grade Spring Boot apps

This Spring Boot course starts with the Spring Basics of Dependency Injection and Inversion of Control before introducing Spring Boot and how both are related.

A Spring Boot REST API will be developed throughout the course, demonstrating state-of-the-art Spring Boot features and their integration step by step.

Java/Kotlin developers and architects looking for a concise yet in-depth introduction to Spring Boot.