What are the differences between concurrent data structures?
Concurrent data structures are designed to handle multiple threads accessing them simultaneously. They differ in their locking mechanisms, performance, and use cases.
Can you give examples of some concurrent data structures?
Sure! Examples include ConcurrentHashMap, CopyOnWriteArrayList, and BlockingQueue. Each has unique features for thread safety.
How do these structures perform under high contention?
Performance varies; for instance, ConcurrentHashMap is optimized for high contention, while CopyOnWriteArrayList may perform poorly due to frequent copying.
When should I use one over the other?
Use ConcurrentHashMap for frequent reads and occasional writes, and CopyOnWriteArrayList for scenarios with more reads than writes.
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