Console C#.Net Tutorial

Visual Studio.NET IDE

Define C#.NET

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Console C#.Net Tutorial

Anders Hejlsberg
Anders Hejlsberg Founder of C#

C# is pronounced as "C-Sharp". The name 'C#' was inspired by the musical notation where a sharp indicates that the written note should be made a semitone higher in pitch. This is similar to the language name of C++, where '++' indicates that a variable should be incremented by 1 after being evaluated. The sharp symbol also resembles a group of four '+' symbols, further implying that the language is an increment of C++.

C#.Net Versions
Version Date .NET Framework Visual Studio Important Features
C# 1.0 January 2002 .NET Framework 1.0 Visual Studio .NET 2002 Basic features
C# 1.1
C# 1.2
April 2003 .NET Framework 1.1 Visual Studio .NET 2003
C# 2.0 November 2005 .NET Framework 2.0 Visual Studio .NET 2005 Generics
Partial types
Iterators
Private setters (properties)
Method group conversions (delegates)
Static classes
C# 3.0 November 2007 .NET Framework 2.0
.NET Framework 3.0
.NET Framework 3.5
Visual Studio .NET 2008
Visual Studio .NET 2010
Implicitly typed local variables
Object and collection initializers
Query expressions
Lambda expressions
Expression trees
Partial methods
C# 4.0 April 2010 .NET Framework 4 Visual Studio .NET 2010 Dynamic binding (late binding)
Named and optional arguments
Generic
C# 5.0 August 2012 .NET Framework 4.5 Visual Studio .NET 2012
Visual Studio .NET 2013
Asynchronous methods
C# 6.0 July 2015 .NET Framework 4.6 Visual Studio .NET 2015 Exception filters
catch/finally blocks
Primary constructor
Dictionary initializer
C# 7.0 March 2017 .NET Framework 4.6.2 Visual Studio .NET 2017 Tuples
Inline out variable declaration
Pattern matching
Ref returns and locals
C# 7.1 August 2017 .NET Framework 4.7 Visual Studio .NET 2017 Default literal expressions
C# 7.2 November 2017 .NET Framework 4.7.1 Visual Studio .NET 2017 private protected access modifier
C# 7.3 May 2018 .NET Framework 4.7.2 Visual Studio .NET 2017 Reassigning ref local variables
Using initializers on stackalloc arrays
Using additional generic constraints