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C Sharp (programming language)

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Revision as of 14:20, 14 July 2021 by 5.18.243.207 (talk) (Version of stable release updated.)
The title of this article is wrong due to some technical limitations. The right title is C# (programming language).
C#
Designed byMicrosoft
DeveloperMicrosoft
First appeared2000; 25 years ago (2000)
Stable release9.0 / November 10, 2020; 4 years ago (2020-11-10)
Filename extensions.cs
Websitedocs.microsoft.com/en-us/dotnet/csharp/
This article is about the programming language. For the musical scale, see C-sharp major.

C# (pronounced "see sharp") is a computer programming language. It is developed by Microsoft. It was created to use all capacities of .NET platform. The first version was released in 2001. The most recent version is C# 8.0, which was released in September 2019. C# is a modern language. C#'s development team is led by Anders Hejlsberg, the creator of Delphi.

Execution Platform

Today, C# can be run on most platforms (Windows, Linux, etc.) without changing the source code. C# can be run on the Xbox 360 platform with a special framework.

Syntax

C# code is similar to C++ and Java code. The CLR (Common Language Runtime) is needed in order to run a C# program.

"Hello, World!" example

/* This is a simple program in C#. 
 * It simply shows "Hello, World!" on the screen.
 */
using System;
namespace HelloWorld
{
  class Hello
  {
    static void Main()
    {
      Console.WriteLine("Hello, World!");
      
      // The piece of code below is optional, but is needed to prevent the program from closing immediately.
      
      Console.WriteLine("Press any key to exit.");
      Console.ReadKey();
    }
  } 
}

Basic input example

/* 
 * This program asks for input from the user, i.e. a name. It then prints "Hello [name]", replacing [name] with whatever the person typed in.
 */
using System;
namespace HelloWorld
{
  class Hello
  {
    static void Main()
    {
      Console.WriteLine("Hello, please type in your name:");
      string name = Console.ReadLine();
      Console.WriteLine("Hello {0}",name);
      Console.ReadKey();
    }
  } 
}

Integrated Development Environments

C# can be edited in a number of IDEs (Integrated Development Environments), some of which are listed below:

Windows:

Mac OS X:

Unix/Linux:

Other websites

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