Concurrency basics · interview question
How does ConcurrentHashMap ensure thread safety when updating entries?
Multiple choiceMediumchapter-15-curatedpremiumconcurrencyconcurrent-collections
Answer and explanation
Correct answer
A. By using a segment-based lock mechanism.
Why
ConcurrentHashMap uses a segment-based lock mechanism that allows multiple threads to update the map concurrently by locking only the specific segment involved in the operation.
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