Spring Professional 5 Certification

Spring Container, dependency and IOC

• DI Pattern
• Spring “ApplicationContext”
• Spring Beans Lifecycle
• BeanPostProcessor/ BeanFactoryPostProcessor
• Proxies
• JavaConfig
• SpEL (Spring Expression Language)

Aspect Oriented Programming

• The concept of AOP and Cross-cutting concerns
• Pointcuts, Join points,  Advice, Aspects,  and Weaving
• @Aspect annotation
• @EnableAspectJAutoProxy annotation
• ProceedingJoinPoint

JDBC, Transactions, and  JPA Spring Data

• JDBC Datasources
• JDBC Templates
• Transactions : local vs global transactions
• @Transactional annotation
• Rollback Policies. Default Rollback policies with JUnit 4 and JUnit 5
• The ORM paradigm and the JPA specification
• Which PlatformTransactionManager(s) can you use with JPA?
• The @PersistenceContext annotation
• Spring Data Repositories
• @Query annotation

Spring Boot

• What is Spring Boot. Why is it opiniated ?
• Spring Boot starters
• Understanding Spring Boot autoconfigurations
• Java properties and YML files
• The @EnableAutoConfiguration annotation
• The @SpringBootApplication annotation
• Spring Boot Test : Testing the web tier with @WebMvcTest
• Spring Boot Test : Testing the data tier with @DataJpaTest
• Spring Actuator : Endpoints, health indicators, metrics
• Spring Actuator : Creating custom health indicators an custom metrics

Spring MVC and the Web Layer

• Understanding the MVC pattern
• The DispatchetServlet
• The web application context
• The differences between @RequestParam and @PathVariable
• What is the Model
• View Resolvers and Views

Security

• Authentication and Authorization techniques
• What is the delegating filter proxy?
• What is the security filter chain?
• Understanding the security context?
• What does the ** pattern in an antMatcher or mvcMatcher do?
• Implementing method-level security
• Using @secured, @PreAuthorized and @RolesAllowed annotations

REST

• What is REST ? What is a resource?
• What does CRUD mean?
• Identifying safe and idempotent REST Operations
• Spring Boot starter for a Spring REST application
• Using @Controller and  @RestController annotations
• Mapping paths with @RequestMapping
• HTTP status codes for a GET/POST/PUT/DELETE operations
• Writing clients using RestTemplate

Testing

• What type of tests typically use Spring?
• How can you create a shared application context in a JUnit integration test?
• When and where do you use @Transactional in testing?
• using mock frameworks such as Mockito
• How is @ContextConfiguration used?
• How does Spring Boot simplify writing tests?
• What does @SpringBootTest do? How does it interact with @SpringBootApplication and @SpringBootConfiguration?