Review Questions

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1:	What are namespaces used for in C# and .NET?
2:	What is the advantage of including the keyword using followed by the name of a namespace in the beginning of a program?
3:	Which namespace contains classes related to mathematical calculations and console input/output.
4:	How should comments be applied in the source code?
5:	Describe a variable of type int.
6:	Why are x and y often regarded as unacceptable variable identifiers? Why are they acceptable in Listing 4.1?
7:	What are the fundamental parts of a method?
8:	Why is MoveLeft a bad name for a class? For which C# construct would it be better suited?
9:	How do you specify that a method does not return a value?
10:	How do you specify that a method returns a value of type int?
11:	What are arguments (in method calls)?
12:	What are formal parameters?
13:	How do arguments and formal parameters relate?
14:	Does the + operator only perform arithmetic additions?
15:	How can you break down the inner complexities of a class?
16:	What is a cohesive method?

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