Appendix a and Appendix B
This PDF contains 2 Appendices: Appendix A and Appendix B. Appendix A Answers to the Test Your Knowledge Questions This appendix has the answers to the questions in the Test Your Knowledge section at the end of each chapter. Chapter 1 – Hello, C#! Welcome, .NET! 1. Why can a programmer use different languages, for example, C# and F#, to write applications that run on .NET? Answer: Multiple languages are supported on .NET because each one has a compiler that translates the source code into intermediate language (IL) code. This IL code is then compiled to native CPU instructions at runtime by the CLR. 2. What do you type at the prompt to create a console app? Answer: You enter dotnet new console. 3. What do you type at the prompt to build and execute C# source code? Answer: In a folder with a ProjectName.csproj file, you enter dotnet run. 4. What is the Visual Studio Code keyboard shortcut to view Terminal? Answer: Ctrl + ` (back tick). Answers to the Test Your Knowledge Questions 5. Is Visual Studio 2019 better than Visual Studio Code? Answer: No. Each is optimized for different tasks. Visual Studio 2019 is large, heavy- weight, and can create applications with graphical user interfaces, for example, Windows Forms, WPF, UWP, and Xamarin.Forms mobile apps, but it is only available on Windows. Visual Studio Code is smaller, lighter-weight, code-focused, supports many more languages, and is available cross-platform. In 2021, with the release of .NET 6 and .NET Multi-platform App User Interface (MAUI), Visual Studio Code will get an extension that enables building user interfaces for desktop and mobile apps.
[Show full text]