Spring Basics with Spring Boot 3.5.5 and Java 21培訓

Introduction to Spring Framework

• Overview of the Spring ecosystem
• Inversion of Control (IoC) and Dependency Injection (DI)
• Introduction to Aspect-Oriented Programming (AOP)

Spring Configuration and Bean Lifecycle

• Configuration via XML files
• Bean lifecycle and BeanPostProcessor
• Testing a Spring app with Mockito

Annotation-based Configuration

• Using @Component and @Autowired annotations
• Combining XML and annotation-based configuration
• Using @Configuration and JavaConfig for no-XML setups

Getting Started with Spring Boot 3.5.5

• Introduction to Spring Boot and key concepts
• Creating a Spring Boot project using Spring Initializr
• Building and running the first REST application

Aspect-Oriented Programming (AOP) and Transactions

• Using AspectJ with Spring: principles and configuration
• Understanding declarative transactions in Spring
• Configuring transactions with XML and @Configuration

Data Persistence with Spring and JPA

• Configuring JPA and database connections
• DAO and Repository layers with JPA Boot configuration
• Extracting profiles and managing properties

Building RESTful Applications with JPA

• Creating simple CRUD REST APIs with JPA
• Developing CRUD REST with nested beans
• Jackson serialization: @JsonIgnore, handling Hibernate proxies, preventing loops

Advanced REST and Data Handling

• Using REST DTOs with MapStruct
• Handling exceptions in REST applications
• JPA double model patterns

Spring REST with Spring Data JPA

• Querying by method name derivation
• Pagination and sorting with Spring Data JPA
• Using @Query for custom queries

Summary and Next Steps