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What is the primary purpose of the @CacheEvict annotation in Spring Boot?

easy📝 Conceptual Q11 of 15
Spring Boot - Caching
What is the primary purpose of the @CacheEvict annotation in Spring Boot?
ATo remove or invalidate cache entries after data changes
BTo add new entries to the cache
CTo configure cache storage location
DTo read data from the cache without modification
Step-by-Step Solution
Solution:

  1. Step 1: Understand cache behavior

    Cache stores data to speed up repeated access, but stale data can cause issues.

  2. Step 2: Role of @CacheEvict

    @CacheEvict is used to remove outdated cache entries after data changes to keep cache fresh.

  3. Final Answer:

    To remove or invalidate cache entries after data changes -> Option A

  4. Quick Check:

    @CacheEvict removes cache entries [OK]
Quick Trick: Remember: @CacheEvict clears cache after updates [OK]
Common Mistakes:
  • Confusing @CacheEvict with @CachePut or @Cacheable
  • Thinking it adds cache entries instead of removing
  • Assuming it configures cache storage

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