What is a ConcurrentHashMap in Java?
An example of an AI chatbot conversation about ConcurrentHashMap in Java.
What is a ConcurrentHashMap in Java?
A ConcurrentHashMap is a thread-safe variant of HashMap that allows concurrent access and updates.
How does it achieve thread safety?
It uses a technique called segmentation, allowing multiple threads to read and write without locking the entire map.
Can you give an example of its usage?
Sure! You can use it in a multi-threaded application to store user sessions, ensuring safe access from different threads.
What are the performance benefits compared to a synchronized HashMap?
ConcurrentHashMap offers better performance because it allows concurrent reads and updates, reducing contention.
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