What are concurrent collections in Java?

Can you explain what concurrent collections are in Java?

Sure! Concurrent collections in Java are data structures designed to handle concurrent access by multiple threads.

What are some examples of concurrent collections?

Some examples include ConcurrentHashMap, CopyOnWriteArrayList, and BlockingQueue.

How do they differ from regular collections?

They provide better performance and thread safety, allowing multiple threads to read and write without locking the entire collection.

When should I use concurrent collections?

Use them when you expect high levels of concurrency and need to ensure thread safety without significant performance overhead.