When should I use Dictionary vs ConcurrentDictionary?

What’s the difference between Dictionary and ConcurrentDictionary?

Dictionary is not thread-safe, while ConcurrentDictionary is designed for concurrent access by multiple threads.

When should I use ConcurrentDictionary instead of Dictionary?

Use ConcurrentDictionary when you expect multiple threads to read and write to the collection simultaneously.

Are there any performance implications of using ConcurrentDictionary?

Yes, ConcurrentDictionary may have slightly higher overhead due to its thread-safety features, but it prevents data corruption.

Can I use Dictionary in a multi-threaded environment?

It's not recommended, as Dictionary can lead to race conditions and data inconsistency in multi-threaded scenarios.