[Solved] Which of the following is the correct way to use @PreDestroy in a Spring Boot bean? — Ans: Annotate a method with @PreDestroy to run cleanup code before bean destruction | Spring Boot

Spring Boot - Spring Annotations

Which of the following is the correct way to use @PreDestroy in a Spring Boot bean?

APlace @PreDestroy on a static method to run after application shutdown

BAnnotate a method with @PreDestroy to run cleanup code before bean destruction

CUse @PreDestroy on a constructor to initialize resources

DAnnotate the class with @PreDestroy to mark it for destruction

Step-by-Step Solution

Solution:

Step 1: Identify correct usage of @PreDestroy
@PreDestroy is placed on a method to run cleanup code before the bean is destroyed.
Step 2: Eliminate incorrect options
@PreDestroy cannot annotate a class or constructor, and static methods are not lifecycle callbacks.
Final Answer:
Annotate a method with @PreDestroy to run cleanup code before bean destruction -> Option B
Quick Check:
@PreDestroy = method cleanup before bean removal [OK]

Quick Trick: Use @PreDestroy only on instance methods for cleanup [OK]

Common Mistakes:

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Which of the following is the correct way to use @PreDestroy in a Spring Boot bean?