Java Interview Questions · interview question

Which practice avoids a common mistake with LRU Cache with LinkedHashMap?

Multiple choiceMediumjava-interview-2026interviewjavapitfall

Silence the LRU Cache with LinkedHashMap problem by using raw types, broad catches, or shared mutable state.Prefer the version of LRU Cache with LinkedHashMap that makes behavior less predictable as long as the code compiles.Ignore the LRU Cache with LinkedHashMap issue and rely on team discipline instead of APIs or contracts.Do not describe LinkedHashMap as a complete production cache solution without considering concurrency, metrics, and eviction policy details.

Answer and explanation

Correct answer

D. Do not describe LinkedHashMap as a complete production cache solution without considering concurrency, metrics, and eviction policy details.

Why

Do not describe LinkedHashMap as a complete production cache solution without considering concurrency, metrics, and eviction policy details. This is a common failure mode in real Java code and a frequent interview follow-up.

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Which practice avoids a common mistake with LRU Cache with LinkedHashMap?

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