How can I optimize collections in C# for better performance?
To optimize collections in C#, consider using the right collection type for your needs, like List<T> for dynamic arrays or Dictionary<TKey, TValue> for key-value pairs.
What are the differences between List<T> and Array in terms of performance?
List<T> offers dynamic resizing and more flexible operations, while arrays have fixed size and can be faster for indexed access.
Are there any specific methods to improve the performance of a List<T>?
Yes, you can use methods like 'Capacity' to preallocate space, and 'Sort' or 'BinarySearch' for efficient searching.
What about using HashSet<T>? When should I use it?
Use HashSet<T> when you need to store unique elements and require fast lookups, as it offers O(1) average time complexity for searches.
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