What are the performance differences between C# collection types?

Can you explain the performance differences between List, Array, and Dictionary in C#?

Sure! Lists are dynamic and allow for easy resizing, but accessing elements is slower than arrays. Arrays have fixed sizes and provide faster access. Dictionaries offer fast lookups but can be slower for insertion and deletion.

What about the performance of HashSet compared to List?

HashSet provides faster lookups and ensures uniqueness, but it has a higher memory overhead compared to List. Lists are better for ordered collections.

When should I use a LinkedList instead of an ArrayList?

Use LinkedList when you need frequent insertions and deletions, as it performs better in those scenarios. ArrayList is better for indexed access.

Are there any scenarios where using a Queue is more beneficial?

Yes, use a Queue when you need to process items in a first-in, first-out manner, such as in task scheduling or breadth-first search algorithms.

Can you summarize the best practices for choosing collection types in C#?

Certainly! Choose collections based on your needs: use arrays for fixed-size data, lists for dynamic data, dictionaries for key-value pairs, and sets for unique items.