4 posts about C# HashSet by 4 contributors.
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Learn how to use HashSet in C# to store unique values, perform fast lookups, and apply union, intersection, and difference operations.
C# HashSet, introduced in .NET 3.5 within System.Collections.Generic, is an unordered collection of unique elements. It efficiently prevents duplicate entries, outperforming lists. This article covers basic HashSet operations, handling custom types, and ensuring uniqueness using IEquatable, Equals, and GetHashCode methods.
In this article, you will learn about C# - Hashset with Example.
C# HashSet is a collection of unique elements. The .NET HashSet<T> class represents a hash set in C# and provides methods to add, remove, and find items, find subset, superset, union, and intersection of two HashSets.
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