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What are the lists of abstract classes in .NET?

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In the .NET framework, there are several abstract classes that serve as base classes for various functionalities. Here are some notable abstract classes in .NET: System.Array: Base class for all arrays in C#. System.Collections.CollectionBase: Serves as the base class for strongly typed collections. System.Collections.DictionaryBase: Serves...
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In the .NET framework, there are several abstract classes that serve as base classes for various functionalities. Here are some notable abstract classes in .NET:

  1. System.Array:

    • Base class for all arrays in C#.
  2. System.Collections.CollectionBase:

    • Serves as the base class for strongly typed collections.
  3. System.Collections.DictionaryBase:

    • Serves as the base class for strongly typed dictionaries.
  4. System.Collections.Queue:

    • Represents a first-in, first-out (FIFO) collection of objects.
  5. System.Collections.Stack:

    • Represents a last-in, first-out (LIFO) collection of objects.
  6. System.Collections.ObjectModel.Collection<T>:

    • Generic base class for strongly typed collections.
  7. System.Collections.ObjectModel.KeyedCollection<TKey, TItem>:

    • Generic base class for collections that are indexed by a key.
  8. System.ComponentModel.Component:

    • Serves as the base class for all components in the .NET framework.
  9. System.Data.Common.DbCommand:

    • Represents an SQL statement or stored procedure to execute against a data source.
  10. System.Data.Common.DbDataAdapter:

    • Represents a set of data commands and a database connection that are used to fill the DataSet and update a data source.
  11. System.Data.Common.DbDataReader:

    • Provides a way of reading a forward-only stream of rows from a data source.
  12. System.Data.Common.DbTransaction:

    • Represents a local transaction.
  13. System.IO.Stream:

    • Serves as the abstract base class for all streams.
  14. System.Security.Cryptography.CipherAlgorithm:

    • Base class for all symmetric key algorithm implementations.
  15. System.Security.Cryptography.HashAlgorithm:

    • Base class for all hash algorithm implementations.
  16. System.Security.Cryptography.KeyedHashAlgorithm:

    • Base class for hash-based Message Authentication Code (HMAC) implementations.
  17. System.Security.Cryptography.SymmetricAlgorithm:

    • Base class for all symmetric key algorithm implementations.
  18. System.Text.Encoding:

    • Represents a character encoding.
  19. System.Threading.WaitHandle:

    • Encapsulates operating system-specific objects that wait for exclusive access to shared resources.
  20. System.Web.UI.WebControls.WebControl:

    • Serves as the base class for all ASP.NET server controls.

These are just some examples of abstract classes in .NET. The framework provides a rich set of abstract classes that developers can use as a foundation for building specific functionalities in their applications. Keep in mind that the .NET framework evolves over time, and new abstract classes may be introduced in later versions.

 
 
 
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