Net Framework For Mac Os X

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  1. Net Framework For Mac Os X 10 11
  2. Download Net Framework For Pc
  3. Net Framework 4.0 Mac Os X
  4. Dotnet Core Mac Os

Feb 01, 2013  Lack of economic incentive.Net had two goals: to provide an answer to the Java platform which threatened the possibility of a cross-OS platform for application development that could devalue Microsoft Windows, and to provide a modern replacement. Framework 3.5 free download - SMS Framework, Apple Mac OS Update 8.6, OWASP Mantra Security Framework, and many more programs. .NET 5.0 downloads for Linux, macOS, and Windows.NET is a free, cross-platform, open-source developer platform for building many different types of applications.

This tutorial shows how to create and run a .NET Core console application using Visual Studio for Mac.

Note

Your feedback is highly valued. There are two ways you can provide feedback to the development team on Visual Studio for Mac:

  • In Visual Studio for Mac, select Help > Report a Problem from the menu or Report a Problem from the Welcome screen, which will open a window for filing a bug report. You can track your feedback in the Developer Community portal.
  • To make a suggestion, select Help > Provide a Suggestion from the menu or Provide a Suggestion from the Welcome screen, which will take you to the Visual Studio for Mac Developer Community webpage.

Prerequisites

  • Visual Studio for Mac version 8.6 or later. Select the option to install .NET Core. Installing Xamarin is optional for .NET Core development. For more information, see the following resources:

    • Tutorial: Install Visual Studio for Mac.
    • Supported macOS versions.
    • .NET Core versions supported by Visual Studio for Mac.

Create the app

Create a .NET Core console app project named 'HelloWorld'.

  1. Start Visual Studio for Mac.

  2. Select New in the start window.

  3. In the New Project dialog, select App under the Web and Console node. Select the Console Application template, and select Next.

  4. In the Target Framework drop-down of the Configure your new Console Application dialog, select .NET Core 3.1, and select Next.

  5. Type 'HelloWorld' for the Project Name, and select Create.

The template creates a simple 'Hello World' application. It calls the Console.WriteLine(String) method to display 'Hello World!' in the terminal window.

The template code defines a class, Program, with a single method, Main, that takes a String array as an argument:

Net

Main is the application entry point, the method that's called automatically by the runtime when it launches the application. Any command-line arguments supplied when the application is launched are available in the args array.

Run the app

  1. Press ⌥⌘↵ (option+command+enter) to run the app without debugging.

  2. Close the Terminal window.

Enhance the app

Enhance the application to prompt the user for their name and display it along with the date and time.

  1. In Program.cs, replace the contents of the Main method, which is the line that calls Console.WriteLine, with the following code:

    This code displays 'What is your name?' in the console window and waits until the user enters a string followed by the enter key. It stores this string in a variable named name. It also retrieves the value of the DateTime.Now property, which contains the current local time, and assigns it to a variable named date. Finally, it displays these values in the console window.

    The n represents a newline character.

    The dollar sign ($) in front of a string lets you put expressions such as variable names in curly braces in the string. The expression value is inserted into the string in place of the expression. This syntax is referred to as interpolated strings.

  2. Press ⌥⌘↵ (option+command+enter) to run the app.

  3. Respond to the prompt by entering a name and pressing enter.

  4. Close the terminal.

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Next steps

In this tutorial, you created a .NET Core console application. In the next tutorial, you debug the app.

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In this tutorial, you create a simple utility library that contains a single string-handling method. You implement it as an extension method so that you can call it as if it were a member of the String class.

A class library defines types and methods that are called by an application. A class library that targets .NET Standard 2.0 allows your library to be called by any .NET implementation that supports that version of .NET Standard. When you finish your class library, you can distribute it as a third-party component or as a bundled component with one or more applications.

Prerequisites

Net Framework For Mac Os X 10 11

Net Framework For Mac Os X

Download Net Framework For Pc

  1. Visual Studio Code with the C# extension installed. For information about how to install extensions on Visual Studio Code, see VS Code Extension Marketplace.
  2. The .NET Core 3.1 SDK or later

Create a solution

Start by creating a blank solution to put the class library project in. A solution serves as a container for one or more projects. You'll add additional, related projects to the same solution.

  1. Start Visual Studio Code.

  2. Select File > Open Folder (Open.. on macOS) from the main menu

  3. In the Open Folder dialog, create a ClassLibraryProjects folder and click Select Folder (Open on macOS).

  4. Open the Terminal in Visual Studio Code by selecting View > Terminal from the main menu.

    The Terminal opens with the command prompt in the ClassLibraryProjects folder.

  5. In the Terminal, enter the following command:

    The terminal output looks like the following example:

Create a class library project

Add a new .NET Standard class library project named 'StringLibrary' to the solution.

  1. In the terminal, run the following command to create the library project:

    The terminal output looks like the following example:

  2. Run the following command to add the library project to the solution:

    The terminal output looks like the following example:

  3. Check to make sure that the library targets the correct version of .NET Standard. In Explorer, open StringLibrary/StringLibrary.csproj.

    The TargetFramework element shows that the project targets .NET Standard 2.0.

  4. Open Class1.cs and replace the code with the following code.

    The class library, UtilityLibraries.StringLibrary, contains a method named StartsWithUpper. This method returns a Boolean value that indicates whether the current string instance begins with an uppercase character. The Unicode standard distinguishes uppercase characters from lowercase characters. The Char.IsUpper(Char) method returns true if a character is uppercase.

  5. Save the file.

  6. Run the following command to build the solution and verify that the project compiles without error.

    The terminal output looks like the following example:

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Add a console app to the solution

Add a console application that uses the class library. The app will prompt the user to enter a string and report whether the string begins with an uppercase character.

  1. In the terminal, run the following command to create the console app project:

    The terminal output looks like the following example:

  2. Run the following command to add the console app project to the solution:

    The terminal output looks like the following example:

  3. Open ShowCase/Program.cs and replace all of the code with the following code.

    The code uses the row variable to maintain a count of the number of rows of data written to the console window. Whenever it's greater than or equal to 25, the code clears the console window and displays a message to the user.

    The program prompts the user to enter a string. It indicates whether the string starts with an uppercase character. If the user presses the Enter key without entering a string, the application ends, and the console window closes.

  4. Save your changes.

Add a project reference

Initially, the new console app project doesn't have access to the class library. To allow it to call methods in the class library, create a project reference to the class library project.

  1. Run the following command:

    The terminal output looks like the following example:

Run the app

  1. Run the following command in the terminal:

  2. Try out the program by entering strings and pressing Enter, then press Enter to exit.

    The terminal output looks like the following example:

Additional resources

  • .NET Standard versions and the platforms they support.

Next steps

Dotnet Core Mac Os

In this tutorial, you created a solution, added a library project, and added a console app project that uses the library. In the next tutorial, you add a unit test project to the solution.