C# interview Questions and Answers

C# interview Questions and Answers

1. What’s the advantage of using System.Text.StringBuilder over System.String?
2. Can you store multiple data types in System.Array?
3. What’s the difference between the System.Array.CopyTo() and System.Array.Clone()?
4. How can you sort the elements of the array in descending order?
5. What’s the .NET datatype that allows the retrieval of data by a unique key?

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