Concurrency basics · interview question
In a high-concurrency scenario, why might a ConcurrentHashMap still lead to performance issues?
Multiple choiceHardchapter-15-curatedpremiumconcurrencyconcurrent-collections
Answer and explanation
Correct answer
C. Inefficient hash function leading to poor distribution.
Why
An inefficient hash function can lead to poor key distribution and cause hotspotting where many keys end up in the same bucket, reducing concurrency benefits.
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