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Exam 7: Using Classes

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Question 31

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When may it be a good idea to make data public in a class?

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You can choose to make data public if yo...

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Question 32

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The scope resolution operator is ____.

A) &
B) ::
C) *
D) ->

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Question 33

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A function that is a user of your class is a class ____________________.

Conventionally, object names begin with a(n) ____________________ letter.

Match each term with the correct statement below.

The ____ section of a class contains the class name, variables (attributes) , and function prototypes.

The access modifier ____ means a class member cannot be accessed using any statements in any functions that are not also part of the class.

When a class field is ____, only one memory location is allocated, no matter how many objects of the class you instantiate.

Write a class declaration that has three private fields and three functions that can be used to assign values to each of the data fields of the class. Write the implementation of one of the functions.

Consider the following class: class Student { private: int idNum; string lastName; double gradePointAverage; }; Add a public function void displayStudentData() to the class definition and then write an implementation for the function.

____ variables are sometimes called class variables, class fields, or class-wide fields.

To ____ components is to contain them.

When you do not want to declare an object, you can still access a static , class-wide field by using a function that is ____.

You must use both the class name and the ____ operator when you implement a member function, because they tie the function to the class and allow every instantiated object to use the function name.

The ______________________________ is constructed by using a dash followed by a right-angle bracket (or greater-than sign).

When you create a class, you usually make data items public.