A complete explanation of the Spring Bean Lifecycle from creation to destruction, including initialization methods, lifecycle callbacks, and how Spring Boot manages bean lifecycles behind the scenes.

A complete guide to bean scopes in Spring, including Singleton, Prototype, Request, Session, Application scopes, and how to create your own custom scope in Spring Boot applications.

A detailed guide on how to create beans in Spring using @Component, @Service, @Repository, @Configuration, and @Bean, explaining the differences and best use cases for each annotation.

A clear and practical explanation of @PostConstruct and @PreDestroy annotations, how Spring uses them in the bean lifecycle, and when developers should apply them in real-world applications.