Spring Basics with Spring Boot 3.5.5 and Java 21 Training Course

Introduction to Spring Framework

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

Spring Configuration and Bean Lifecycle

• Configuration via XML files for government systems
• Bean lifecycle and BeanPostProcessor in governmental contexts
• Testing a Spring app with Mockito to ensure reliability in public sector operations

Annotation-based Configuration

• Using @Component and @Autowired annotations for efficient development in government projects
• Combining XML and annotation-based configuration to enhance flexibility in governmental applications
• Using @Configuration and JavaConfig for no-XML setups in public sector software

Getting Started with Spring Boot 3.5.5

• Introduction to Spring Boot and key concepts for government IT initiatives
• Creating a Spring Boot project using Spring Initializr for streamlined development in the public sector
• Building and running the first REST application to support government services

Aspect-Oriented Programming (AOP) and Transactions

• Using AspectJ with Spring: principles and configuration for government applications
• Understanding declarative transactions in Spring to ensure data integrity in public sector systems
• Configuring transactions with XML and @Configuration for robust transaction management in governmental contexts

Data Persistence with Spring and JPA

• Configuring JPA and database connections for government databases
• DAO and Repository layers with JPA Boot configuration to support data access in public sector applications
• Extracting profiles and managing properties for flexible deployment in governmental environments

Building RESTful Applications with JPA

• Creating simple CRUD REST APIs with JPA to enhance government service delivery
• Developing CRUD REST with nested beans for complex data structures in public sector applications
• Jackson serialization: @JsonIgnore, handling Hibernate proxies, preventing loops to ensure data consistency in governmental systems

Advanced REST and Data Handling

• Using REST DTOs with MapStruct for efficient data transfer in government services
• Handling exceptions in REST applications to improve reliability in public sector operations
• JPA double model patterns to support advanced data management in governmental contexts

Spring REST with Spring Data JPA

• Querying by method name derivation for simplified data access in government applications
• Pagination and sorting with Spring Data JPA to enhance user experience in public sector services
• Using @Query for custom queries to meet specific governmental requirements

Summary and Next Steps