S3 - Anotaciones y SpEL

Transición de XML a Anotaciones, estereotipos (@Component, @Service, @Repository), ciclo de vida con @PostConstruct/@PreDestroy, @Configuration y @Bean, inyección con @Autowired y @Qualifier, y expresiones avanzadas con SpEL y application.properties.

Annotations and Java Config

Move from XML to stereotype annotations and Java Config to declare beans, scopes and lifecycle in Spring.

Advanced Injection and SpEL

Resolve injection ambiguities with @Qualifier and @Primary and inject external properties with @Value and SpEL.

Presentation: Annotations, JavaConfig & SpEL

Browse the week 3 slides on annotations, Java Config, @Qualifier, @Primary, @Value and SpEL in Spring.