Question 1

If Square is the name of a class, which of the following statements would create a Square object named box?

Accepted Answer

A)  box Square(); 
B)  box Square; 
C)  Square box(); 
D)  Square box; 
E)  None of the above

Question 2

The name of a destructor must begin with

Accepted Answer

A)  the name of the class. 
B)  a tilde (~). 
C)  a capital letter. 
D)  an underscore. 
E)  none of the above.

Question 3

A constructor may have a return type of

Accepted Answer

A)  int 
B)  bool 
C)  void 
D)  any of the above. 
E)  none of the above.

Question 4

Which of the following statements about ADTs are True.

Accepted Answer

A)  They specify the values the data type can hold. 
B)  They specify the operations the data type can perform. 
C)  They hide the details of how the data type is implemented. 
D)  They do all of the above. 
E)  They do A and B, but not C.

Question 5

A class declaration provides a pattern for creating objects, but doesn't make any objects.

Accepted Answer

A) True 
 B)False

Question 6

A class may have ________ default constructor(s) and ________ destructor(s).

Accepted Answer

A)  only one, only one 
B)  only one, more than one 
C)  more than one, only one 
D)  more than one, more than one 
E)  no, only one

Question 7

A class can have a member variable that is an instance of another class. This is called object nesting.

Accepted Answer

A) True 
 B)False

Question 8

If Circle is the name of a class, which of the following statements would create a Circle object named myCircle?

Accepted Answer

A)  myCircle Circle; 
B)  myCircle Circle(); 
C)  Circle myCircle; 
D)  Circle myCircle(); 
E)  None of the above

Question 9

ADT stands for Algorithmic Data Type.

Accepted Answer

A) True 
 B)False

Question 10

A private member function may only be called from a function that is a member of the same class.

Accepted Answer

A) True 
 B)False

Question 11

Object-oriented programming is centered around objects that include both data and the functions that operate on them.

Accepted Answer

A) True 
 B)False

Question 12

A class must have exactly one constructor.

Accepted Answer

A) True 
 B)False

Question 13

In C++ and other object-oriented programming languages, ADTs are normally implemented as classes.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following statements correctly creates an enumerated data type and defines an object of that type.

Accepted Answer

A)  enum Season = {"Spring", "Summer", "Fall", "Winter"} favoriteSeason; 
B)  enum Season = {Spring, Summer, Fall, Winter}, Season favoriteSeason; 
C)  enum Season {Spring, Summer, Fall, Winter}, enum favoriteSeason; 
D)  ENUM Season {Spring, Summer, Fall, Winter} favoriteSeason; 
E)  None of these

Question 15

If setRadius is a Circle class function and myCircle is a Circle object, which of the following statements would set myCircle's radius to 2.5?

Accepted Answer

A)  setRadius(2.5); 
B)  myCircle.setRadius(2.5); 
C)  Circle.setRadius(2.5); 
D)  Circle(setRadius(2.5)); 
E)  None of the above

Question 16

In OOP terminology, an object's member variables are often called its ________, and its member functions are sometimes referred to as its ________.

Accepted Answer

A)  values, operators 
B)  data, activities 
C)  attributes, activities 
D)  attributes, methods 
E)  values, activities

Question 17

When a member function is defined outside of the class declaration, the function name must be qualified with the class name, followed by

Accepted Answer

A)  a semicolon(;). 
B)  the scope resolution operator (::). 
C)  the public access specifier. 
D)  the private access specifier. 
E)  a tilde (~).

Question 18

A C++ member function that uses, but does not change, the value of a member variable is called

Accepted Answer

A)  an accessor. 
B)  a mutator. 
C)  a user. 
D)  a constant. 
E)  a constructor.

Question 19

A constructor must have the same name as the

Accepted Answer

A)  first private data member. 
B)  first public data member. 
C)  class. 
D)  first object of the class. 
E)  function return type.

Question 20

A class declaration creates an object.

Accepted Answer

A) True 
 B)False

Exam 7: Introduction to Classes and Objects

If Square is the name of a class, which of the following statements would create a Square object named box?

The name of a destructor must begin with

A constructor may have a return type of

Which of the following statements about ADTs are True.

A class declaration provides a pattern for creating objects, but doesn't make any objects.

A class may have default constructor(s) and destructor(s) .

A class can have a member variable that is an instance of another class. This is called object nesting.

If Circle is the name of a class, which of the following statements would create a Circle object named myCircle?

ADT stands for Algorithmic Data Type.

A private member function may only be called from a function that is a member of the same class.

Object-oriented programming is centered around objects that include both data and the functions that operate on them.

A class must have exactly one constructor.

In C++ and other object-oriented programming languages, ADTs are normally implemented as classes.

Which of the following statements correctly creates an enumerated data type and defines an object of that type.

If setRadius is a Circle class function and myCircle is a Circle object, which of the following statements would set myCircle's radius to 2.5?

In OOP terminology, an object's member variables are often called its , and its member functions are sometimes referred to as its .

When a member function is defined outside of the class declaration, the function name must be qualified with the class name, followed by

A C++ member function that uses, but does not change, the value of a member variable is called

A constructor must have the same name as the

A class declaration creates an object.

Exam 7: Introduction to Classes and Objects

If Square is the name of a class, which of the following statements would create a Square object named box?

The name of a destructor must begin with

A constructor may have a return type of

Which of the following statements about ADTs are True.

A class declaration provides a pattern for creating objects, but doesn't make any objects.

A class may have ________ default constructor(s) and ________ destructor(s) .

A class can have a member variable that is an instance of another class. This is called object nesting.

If Circle is the name of a class, which of the following statements would create a Circle object named myCircle?

ADT stands for Algorithmic Data Type.

A private member function may only be called from a function that is a member of the same class.

Object-oriented programming is centered around objects that include both data and the functions that operate on them.

A class must have exactly one constructor.

In C++ and other object-oriented programming languages, ADTs are normally implemented as classes.

Which of the following statements correctly creates an enumerated data type and defines an object of that type.

If setRadius is a Circle class function and myCircle is a Circle object, which of the following statements would set myCircle's radius to 2.5?

In OOP terminology, an object's member variables are often called its ________, and its member functions are sometimes referred to as its ________.

When a member function is defined outside of the class declaration, the function name must be qualified with the class name, followed by

A C++ member function that uses, but does not change, the value of a member variable is called

A constructor must have the same name as the

A class declaration creates an object.

A class may have default constructor(s) and destructor(s) .

In OOP terminology, an object's member variables are often called its , and its member functions are sometimes referred to as its .