Mastering Spring Framework Fundamentals - The Java Development Kit (JDK) Standard Lifecycle Annotations (@PostConstruct

The video tutorial discusses the use of initializing and disposable bean interfaces in the Spring Framework, highlighting the preference for using annotations from the javax package to avoid tight coupling with Spring. It explains the use of @PostConstruct and @PreDestroy annotations for lifecycle management and how these can be used in both XML and Java-based configurations. The tutorial emphasizes the benefits of using these annotations to maintain cleaner code while still leveraging Spring's callback mechanisms.

Why is the use of initializing bean and disposable bean interfaces generally discouraged in normal applications?

• They do not provide any lifecycle management benefits.

• They are difficult to implement correctly.

• They make the code too dependent on the Spring container.

• They are outdated and no longer supported.

What is the main advantage of using @PostConstruct and @PreDestroy annotations?

• They allow for dynamic method naming.

• They simplify the configuration process.

• They enable lifecycle management without tight coupling to Spring.

• They improve application performance.

What does the @PostConstruct annotation ensure?

• The method is called when the application starts.

• The method is called during the bean's initialization phase.

• The method is called after the bean is constructed and dependencies are injected.

• The method is called before the bean is destroyed.

How does using lifecycle annotations affect the coupling of your code with Spring?

• It has no effect on the coupling with Spring.

• It increases the coupling with Spring.

• It eliminates the need for Spring entirely.

• It reduces the coupling with Spring.

What additional configuration options are available for lifecycle methods in Spring?

• They are automatically configured by Spring.

• They require a separate configuration file.

• They can be registered in XML and Java-based configurations.

• They can only be configured using annotations.