Source Code

Code below is a fragment taken from Bits Repository. You can download the repo containing code for all Bits by opening the "Code" dropdown in that page.

// See https://aka.ms/new-console-template for more information
using System;

namespace HelloWorld
{
  class Program
  {
    static void Main(string[] args)
    {
      Console.WriteLine("Hello C# World");
    }
  }
}          

Output

This is output from the C# source code above, running in Visual Studio Code. The output is retrieved in an embedded terminal window. VS Code runs on Windows, Linux, and macOS.

C:\github\JimFawcett\Bits\CSharp\Cs_Hello
> dotnet run

  Hello C# World

C:\github\JimFawcett\Bits\CSharp\Cs_Hello

Build

To build a project with dotnet you use two commands, dotnet build to build and dotnet run to build and run the project. dotnet is a command line application provided as part of a Visual Studio (Community Edition) installation.

C:\github\JimFawcett\Bits\CSharp\Cs_Hello
> dotnet build
MSBuild version 17.4.1+fedecea9d for .NET
  Determining projects to restore...
  All projects are up-to-date for restore.
  Cs_Hello -> C:\github\JimFawcett\Bits\CSharp\Cs_Hell
  o\bin\Debug\net7.0\Cs_Hello.dll

Build succeeded.
    0 Warning(s)
    0 Error(s)

Time Elapsed 00:00:00.75
C:\github\JimFawcett\Bits\CSharp\Cs_Hello
>          

Create Project

The terminal session below shows how to create a project for C# with dotnet infrastructure. See tooling information here: Bits_Tooling.

C:\github\JimFawcett\test
> dotnet new console -n CSharp_Hello
The template "Console App" was created successfully.

Processing post-creation actions...
Restoring C:\github\JimFawcett\test\CSharp_Hello\CSharp_Hello.csproj:
  Determining projects to restore...
  Restored C:\github\JimFawcett\test\CSharp_Hello\CSharp_Hello.csproj (in 50 ms).
Restore succeeded.


C:\github\JimFawcett\test
> cd CSharp_Hello
C:\github\JimFawcett\test\CSharp_Hello
> dir

    Directory: C:\github\JimFawcett\test\CSharp_Hello

Mode                 LastWriteTime         Length Name
----                 -------------         ------ ----
d-----         2/24/2023   9:41 AM                obj
-a----         2/24/2023   9:41 AM            249 CSharp_Hello.csproj
-a----         2/24/2023   9:41 AM            105 Program.cs


C:\github\JimFawcett\test\CSharp_Hello
>