. Console applications do not have a graphical user interface. There are several types of Visual Basic projects;There are several types of Visual Basic projects; the console application is one of the simplest. The application’s output appears in the Console window. Or a Windows Command Prompt.
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.Open Visual Studio 2017.From the top menu bar, choose File New Project.(Alternatively, press Ctrl+ Shift+ N).In the left pane of the New Project dialog box, expand C#, and then choose.NET Core. In the middle pane, choose Console App (.NET Core).
Then name the file Calculator.Add a workload (optional)If you don't see the Console App (.NET Core) project template, you can get it by adding the.NET Core cross-platform development workload. Option 1: Use the New Project dialog box.Choose the Open Visual Studio Installer link in the left pane of the New Project dialog box.The Visual Studio Installer launches. Choose the.NET Core cross-platform development workload, and then choose Modify.Option 2: Use the Tools menu bar.Cancel out of the New Project dialog box and from the top menu bar, choose Tools Get Tools and Features.The Visual Studio Installer launches.
Choose the.NET Core cross-platform development workload, and then choose Modify. NoteIf you do not see the Console App (.NET Core) template, you can install it from the Create a new project window.
In the Not finding what you're looking for? Message, choose the Install more tools and features link.Then, in the Visual Studio Installer, choose the.NET Core cross-platform development workload.After that, choose the Modify button in the Visual Studio Installer. You might be prompted to save your work; if so, do so. Next, choose Continue to install the workload. Then, return to step 2 in this ' procedure.In the Configure your new project window, type or enter Calculator in the Project name box. Then, choose Create.Visual Studio opens your new project, which includes default 'Hello World' code.Create the appFirst, we'll explore some basic integer math in C#. Then, we'll add code to create a basic calculator.
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After that, we'll debug the app to find and fix errors. And finally, we'll refine the code to make it more efficient. Explore integer mathLet's start with some basic integer math in C#.In the code editor, delete the default 'Hello World' code.Specifically, delete the line that says, Console.WriteLine('Hello World!' ).In its place, type the following code: int a = 42;int b = 119;int c = a + b;Console.WriteLine(c);Console.ReadKey;Notice that when you do so, the IntelliSense feature in Visual Studio offers you the option to autocomplete the entry.
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