Answers to the chapter 12 review questions

1.  What is a class?

  A:  A class is a heterogeneous data collection.  Its members may be of 
      different types.

2.  What is an array?

  A:  An array is a homogeneous data collection.  All of its elements are the
      same type.

3.  How do you access object members?

  A:  Use the name of the object, followed by a ., followed by the name of the field:
      feb.name = "February";

4.  How do you put an array in a class?  How do you create an array of objects?

  A:  To put an array in a class, declare one of the classes members to be an 
      array type.  To put an object in an array, declare the array variable to
      be of the class type, followed by square brackets ([]).
