How does HashSet performance compare to other collections in C#?
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How does HashSet performance compare to other collections in C#?
HashSet in C# offers O(1) average time complexity for add, remove, and contains operations, making it very efficient.
What about the memory usage of HashSet compared to List or Dictionary?
HashSet generally uses more memory than List due to its underlying hash table structure, but it provides faster lookups.
Are there any scenarios where I should avoid using HashSet?
Yes, if you need to maintain order or allow duplicates, consider using List or Dictionary instead.
Can you give an example of when to use HashSet?
Use HashSet when you need to store unique items and perform frequent lookups, like checking for membership in a large dataset.
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