Review Questions

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1:	List three kinds of data abstractions where structs should be considered instead of classes.
2:	Mention the important similarities and differences between classes and structs.
3:	If myStruct is a value type, how is the following call possible if WriteLine only accepts reference types? Console.WriteLine("Details of myStruct" + myStruct);
4:	Can a struct have an explicit default constructor?
5:	Why is boxing called boxing?
6:	Suppose the struct Fraction contains the two public data members numerator and denominator. Fraction does not contain any explicitly defined constructors. You now write the following code: Fraction myFraction; myFraction.ToString(); Is the second line valid? Why or why not?

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