Can you explain how ConcurrentHashMap handles concurrency in Java?
Sure! ConcurrentHashMap is designed to allow concurrent access by multiple threads without locking the entire map.
What mechanisms does it use to achieve this?
It uses a technique called lock striping, which divides the map into segments, allowing threads to lock only a segment instead of the whole map.
Does it support null values?
No, ConcurrentHashMap does not allow null keys or values to avoid ambiguity in concurrent operations.
What are the performance benefits of using ConcurrentHashMap?
The main benefits are improved throughput and reduced contention, making it suitable for high-concurrency scenarios.
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