You have a method that fetches user data from a slow API. You want to cache results but refresh cache every 10 minutes. Which approach best achieves this in Spring Boot?

hard📝 Application Q15 of 15

Spring Boot - Caching

AUse @Cacheable and configure cache manager with 10-minute TTL

BUse @CachePut to update cache on every call

CUse @CacheEvict to clear cache only on application restart

DDo not use caching to avoid stale data

Step-by-Step Solution

Solution:

Step 1: Understand caching with expiration
To refresh cached data periodically, configure the cache manager with a time-to-live (TTL) setting.
Step 2: Match annotation with cache manager config
@Cacheable caches method results; TTL in cache manager ensures cache expires after 10 minutes automatically.
Final Answer:
Use @Cacheable and configure cache manager with 10-minute TTL -> Option A
Quick Check:
TTL + @Cacheable refreshes cache periodically [OK]

Quick Trick: Set TTL in cache manager with @Cacheable for timed refresh [OK]

Common Mistakes:

Using @CachePut causes cache update every call, no TTL
Relying on @CacheEvict only on restart misses timed refresh
Avoiding caching loses performance benefits

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More Spring Boot Quizzes

You have a method that fetches user data from a slow API. You want to cache results but refresh cache every 10 minutes. Which approach best achieves this in Spring Boot?

Step 1: Understand caching with expiration

Step 2: Match annotation with cache manager config

Final Answer:

Quick Check:

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