[Solved] How can you ensure a Spring bean's destroy method is called when the application context closes? — Ans: Specify the destroy method name in @Bean annotation or use @PreDestroy | Spring Boot

Spring Boot - Inversion of Control and Dependency Injection

How can you ensure a Spring bean's destroy method is called when the application context closes?

AUse @PostConstruct annotation on the destroy method

BImplement InitializingBean interface

CSpecify the destroy method name in @Bean annotation or use @PreDestroy

DCall the destroy method manually in the code

Step-by-Step Solution

Solution:

Step 1: Understand destroy method registration
Destroy methods must be registered via @Bean(destroyMethod) or annotated with @PreDestroy.
Step 2: Eliminate incorrect options
InitializingBean is for init, manual calls are not automatic, and @PostConstruct is for init, not destroy.
Final Answer:
Specify the destroy method name in @Bean annotation or use @PreDestroy -> Option C
Quick Check:
Destroy method auto-call = @PreDestroy or destroyMethod [OK]

Quick Trick: Use @PreDestroy or destroyMethod to auto-call destroy [OK]

Common Mistakes:

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