Practicing and exploring

Test your knowledge and understanding by answering some questions, get some hands-on practice, and explore with deeper research into the topics covered in this chapter.

Exercise 4.1 – Test your knowledge

Answer the following questions. If you get stuck, try Googling the answers if necessary:

1. What does the C# keyword void mean?
2. How many parameters can a method have?
3. In Visual Studio Code, what is the difference between pressing F5, Ctrl or Cmd + F5, Shift + F5, and Ctrl or Cmd + Shift + F5?
4. Where does the Trace.WriteLine method write its output to?
5. What are the five trace levels?
6. What is the difference between Debug and Trace?
7. When writing a unit test, what are the three A's?
8. When writing a unit test using xUnit, what attribute must you decorate the test methods with?
9. What dotnet command executes xUnit tests?

10. What is TDD?

Exercise 4.2 – Practice writing functions with debugging...