When should I use ConcurrentDictionary in C#?

When should I use ConcurrentDictionary in C#?

You should use ConcurrentDictionary when you need a thread-safe collection for concurrent read and write operations.

Can you give me an example of its usage?

Sure! You can use it to store user sessions in a web application where multiple threads might access or modify the session data.

What are the performance benefits of using ConcurrentDictionary?

It provides better performance than locking mechanisms because it allows multiple threads to read and write simultaneously without blocking.

Are there any downsides to using it?

One downside is that it may have higher memory overhead compared to other collections due to its internal structure.