Spring configuration using Java Configuration and Annotations

• Overview of Spring
• Creating an application context
• Multiple configuration files
• Bean scope
• External properties
• Profiles
• Spring expression language
• Proxying
• Annotation-based dependency injection
• Good practices for component scanning
• Java @Configuration vs annotation
• @PostConstruct and @PreDestroy
• Stereotypes and meta annotations
• Bean lifecycle

Aspect-oriented programming (AOP) with Spring

• Core AOP Concepts
• Defining Pointcuts
• Implementing Advice

Test Spring-based applications using JUnit 5

• Spring’s integration test support
• Profile selection with @ActiveProfiles
• Test data setup with @Sql

Use Spring to access relational databases – JDBC

• Spring’s DataAccessException hierarchy
• Implementing caching
• Problems with traditional JDBC
• JdbcTemplate

Use Spring support for transactions

• Transaction management
• Traditional JDBC vs Spring
• Transaction propagation
• Rollback rules
• Transactions and integration testing

Use JPA with Spring and Spring data

• JPA configuration in Spring
• JPA configuration using Spring Boot
• Spring Data JPA dynamic repositories

Simplifying applications with Spring Boot auto-configuration, and starters

• Spring’s Introduction to Spring Boot
• Auto-configuration
• Dependencies and “starters”
• Packaging
• External configuration
• Profiles
• Logging

Build a simple MVC application using Spring Boot

• Introduction to Spring MVC
• Controller programming model and method parameters
• Using @RequestMapping annotations
• Accessing request data
• Configuring Spring MVC with Spring Boot
• Spring Boot packaging options, JAR or WAR
• Testing controllers

Implement REST with Spring MVC and RestTemplate

• Introduction to REST-style architecture
• Map requests based on HTTP method
• Access request data and set response data
• Building responses explicitly
• Build valid URIs (for `Location` HTTP 201 Created response header)
• Putting it all together

Spring Security

• Security concepts
• Spring Security overview
• Security in a Servlet environment
• Intercepting URLs
• Configuring authentication
• Method security

Utilize Spring Boot enhancements for testing

• Spring Boot testing overview
• Integration testing with @SpringBootTest
• Slices to test different layers of the application
• Testing controllers with @WebMvcTest
• Testing Spring Data JPA queries with @DataJpaTest

Use JPA to map Java objects to relational data

• Getting started
• Accessing entity state
• Mapping simple types
• @Enumerated, @Temporal, @Transient
• Mapping primary Keys: @Id, @GeneratedValue

Use JPA to persist, merge, and remove entities

• Persisting, removing, updating entities
• Detaching and merging entities

Using queries

• JPQL, criteria API, native SQL

Mapping components

• Embeddable classes and collection of embeddable classes and basic types
• Composite keys

Defining customer user-types for value objects

• Hibernate UserType
• JPA AttributeConverter

Inheritance: considerations and trade-offs

Mapping relationships

• @ManyToOne
• @OneToMany
• @ManyToMany
• @OneToOne

Use JPA to map Java objects to relational data

• Cascading operations and orphanRemoval
• Eager vs lazy fetching
• LazyInitializationException
• Entity graphs

Optimistic and pessimistic locking

Callback methods and entity listeners