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C# Data Structures and Algorithms by Marcin Jamro

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Reference types

The second main group of types is named reference types. Just as a quick reminder, a variable of a reference type does not directly contain data, because it just stores a reference to data. In this group, you can find three built-in types, namely string, object, and dynamic. Moreover, you can declare classes, interfaces, and delegates.

More information about the reference types is available at: https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/reference-types.

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