To build and run your app, press F5, or select the green arrow next to the name Calculator in the top toolbar.Ī console window opens that shows the sum of 42 + 119, which is 161. If you type the code, the Visual Studio IntelliSense feature offers you the option to autocomplete the entry. Replace the line with the following code: int a = 42 In the code editor, replace the default 'Hello World' code that says Console.WriteLine('Hello World!').

In Solution Explorer, in the right pane, select Program.cs to display the file in the code editor Press any key to close the console window. After the application runs in the debugger, the console window stays open. If you press F5, you can run the default program in Debug mode. The default 'Hello World' code calls the WriteLine method to display the literal string 'Hello, World!' in the console window. To view it in the editor, select the code file Program.cs in the Solution Explorer window, which is typically on the right-hand side of Visual Studio. Visual Studio opens your new project, which includes default 'Hello World' code. NET Core 3.1 should already be selected for your target framework.

In the Configure your new project window, type or enter Calculator in the Project name box. Then, return to step 2 in this ' Create a project' procedure. Next, choose Continue to install the workload. You might be prompted to save your work if so, do so. NET Core cross-platform development workload.Īfter that, choose the Modify button in the Visual Studio Installer. Then, in the Visual Studio Installer, choose the. If you don't see the Console Application template, select Install more tools and features.

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