Sams Teach Yourself C in 21 Days

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Answers for Bonus Day 4

Quiz

1. Type long.


2. Yes, but they are called methods.


3. Either whileordo...while.
   4 You use importto make other classes available in your Java program.


4. There are three Java comment styles:
   
   
   • Anything between /and/is a comment.
   
   
   • Anything on a line after //is a comment.
   
   
   • Anything between /*and/is a comment.
   
   
   
   


5. Java identifiers are case-sensitive, so countandCountrefers to two different
   things.


6. Any type—there are no restrictions on data type in Java arrays.

Answers for Bonus Day 5

Quiz

1. You have no choice in the matter. Constructor method always have the same name
   as the class they are in.


2. Use extendsin the first line of a class definition to specify the parent class that the
   new class will inherit from.


3. No. If the return type of a method is declared as void, the method does not return a
   value.


4. Yes, as long as the different constructor methods all have a different number and/or
   type of arguments.


5. When an instance of the class is created.


6. No. If a class was created with the finalkeyword, it cannot be used as a parent
   class.


7. The finalkeyword is used to prevent a class from being inherited from.


8. No, an abstract class cannot be used to instantiate an object. You can, however,
   inherit from it.

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