What are some examples of concurrent collections in programming?

What are some examples of concurrent collections in programming?

Concurrent collections are data structures that allow safe access by multiple threads. Examples include ConcurrentHashMap, CopyOnWriteArrayList, and BlockingQueue.

How does ConcurrentHashMap work?

ConcurrentHashMap allows concurrent access by dividing the map into segments, enabling multiple threads to read and write without locking the entire map.

What are the advantages of using concurrent collections?

The main advantages include improved performance in multi-threaded environments, reduced contention, and easier implementation of thread-safe operations.

Can you give an example of using CopyOnWriteArrayList?

Sure! CopyOnWriteArrayList is useful when you have more reads than writes. It creates a new copy of the list on each write, ensuring that readers see a consistent view.