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Exam 14: More About Classes

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Question 21

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This type of function is not a member of a class, but it has access to the private members of the class.

A) static
B) constructor
C) destructor
D) friend
E) None of these

F) C) and E)
G) B) and D)

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Question 22

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Each object of a class has its own copy of the class's ________.

A) member functions
B) member variables
C) constructor and destructor functions
D) All of these
E) None of these

F) B) and C)
G) All of the above

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Question 23

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When objects contain pointers, it is a good idea to create an explicit ________ function.

To overload the + operator, you would write a function named ________.

In C++, if you overload the < operator, you must also overload the > operator.

When a class contains an instance of another class, it is known as ________.

A public data member may be declared a friend of a private function.

It is possible to declare an entire class as a friend of another class.

If you do not furnish one of these, an automatic memberwise copy will be performed when one object is assigned to another object.

When a class declares an entire class as its friend, the friendship status is reciprocal. That is, each class's member functions have free access to the other's private members.

A static member variable can be used when there are no objects of the class in existence.

When you overload the << operator, you must also overload the >> operator.

A(n) ________ informs the compiler that a class will be declared later in the program.

When you overload an operator, you cannot change the number of ________ taken by the operator.

You can overload the conditional operator to make it function as an unconditional operator.

An ________ operator can work with programmer-defined data types.

A member function that is declared ________ may not access any non-static data members in the class.

The this pointer is a special built-in pointer that is automatically passed as a hidden argument to all non-static member functions.

This type of member variable may be accessed before any objects of the class have been created.

When you overload an operator, you can change the operator's original meaning to something entirely different.