C# Overview

C# is a modern object-oriented programming language developed by Microsoft and approved by European Computer Manufacturers Association (ECMA) and International Standards Organization (ISO).

C# was developed by Anders Hejlsberg and his team during the development of .Net Framework.

C# is used as a professional programming  language for many reasons

1. Object Oriented
2. Easy to learn
3. Produces efficient programs
4. Part of .Net Framework

C# Programming Features :

1. Standard library
2. Automatic garbage collector
3. Easy to use generics
4. Delegates and events managements

C# Versions

C# has evolved much since its first release in 2002. C# was introduced with .NET Framework 1.0 and the current version of C# is 6.0

The following table lists important features introduced in each version of C#:

Version	.NET Framework	Visual Studio	Features
C# 1.0	.NET Framework 1.0/1.1	Visual Studio .NET 2002	Basic features
C# 2.0	.NET Framework 2.0	Visual Studio 2005	Generics Partial types Anonymous methods Iterators Nullable types Private setters (properties) Method group conversions (delegates) Covariance and Contra-variance Static classes
C# 3.0	.NET Framework 3.0\3.5	Visual Studio 2008	Implicitly typed local variables Object and collection initializers Auto-Implemented properties Anonymous types Extension methods Query expressions Lambda expressions Expression trees Partial Methods
C# 4.0	.NET Framework 4.0	Visual Studio 2010	Dynamic binding (late binding) Named and optional arguments Generic co- and contravariance Embedded interop types
C# 5.0	.NET Framework 4.5	Visual Studio2012/2013	Async features Caller information

Author : ok

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