Question 1

Functions that are not members of a class are called ________ functions.

Accepted Answer

A)  isolated 
B)  global 
C)  universal 
D)  general 
A)  isolated 
B)  global 
C)  universal 
D)  general B

Question 2

The default value for a string is ________.

Accepted Answer

A)  null 
B)  void 
C)  blanks 
D)  the empty string 
A)  null 
B)  void 
C)  blanks 
D)  the empty string D

Question 3

Which of the following statements is false?

Accepted Answer

A)  Each object of a class shares one copy of the class's data members. 
B)  An object's data members exist before a program calls member functions on an object, while they are executing and after the member functions complete execution. 
C)  Data members are declared inside a class definition but outside its member functions' bodies. 
D)  Headers should never contain using directives or using declarations. 
A)  Each object of a class shares one copy of the class's data members. 
B)  An object's data members exist before a program calls member functions on an object, while they are executing and after the member functions complete execution. 
C)  Data members are declared inside a class definition but outside its member functions' bodies. 
D)  Headers should never contain using directives or using declarations. A

Question 4

Which of the following statements is false?

Accepted Answer

A)  The default constructor does not initialize the class's fundamental-type data members, but does call the default constructor for each data member that's an object of another class. 
B)  A string's default constructor initializes the object to the empty string. 
C)  An uninitialized fundamental-type variable is implicitly initialized to zero. 
D)  If a class defines a constructor, the compiler will not create a default constructor for that class. 
A)  The default constructor does not initialize the class's fundamental-type data members, but does call the default constructor for each data member that's an object of another class. 
B)  A string's default constructor initializes the object to the empty string. 
C)  An uninitialized fundamental-type variable is implicitly initialized to zero. 
D)  If a class defines a constructor, the compiler will not create a default constructor for that class.

Question 5

You can initialize fundamental-type data members in their declarations. This is known as a(n) ________ initializer and was introduced in C++11.

Accepted Answer

A)  explicit 
B)  implicit 
C)  global 
D)  in-class initializer 
A)  explicit 
B)  implicit 
C)  global 
D)  in-class initializer

Question 6

The return type ________ indicates that when a function completes its task, it does not return (i.e., give back) any information to its calling function.

Accepted Answer

A)  null 
B)  virtual 
C)  nullptr 
D)  void 
A)  null 
B)  virtual 
C)  nullptr 
D)  void

Question 7

Which of the following statements is true?

Accepted Answer

A)  The compiler knows about fundamental types that are "built into" C++. 
B)  A new type that you create is known as a user-defined type. 
C)  New classes, when packaged properly, can be reused by other programmers. 
D)  All of the above are true. 
A)  The compiler knows about fundamental types that are "built into" C++. 
B)  A new type that you create is known as a user-defined type. 
C)  New classes, when packaged properly, can be reused by other programmers. 
D)  All of the above are true.

Question 8

Normally, constructors are ________.

Accepted Answer

A)  private 
B)  protected 
C)  privy 
D)  public 
A)  private 
B)  protected 
C)  privy 
D)  public

Question 9

Assuming that text is a variable of type string, what will be the contents of text after the statement cin >> text; is executed if the user types Hello World! then presses Enter?

Accepted Answer

A)  "H" 
B)  "Hello" 
C)  "Hello World" 
D)  "Hello World!" 
A)  "H" 
B)  "Hello" 
C)  "Hello World" 
D)  "Hello World!"

Question 10

C++ Standard Library function getline, from the <string> header, reads characters up to, but not including, a(n)________ (which is discarded), then places the characters in a string.

Accepted Answer

A)  tab 
B)  period 
C)  newline 
D)  \ 
A)  tab 
B)  period 
C)  newline 
D)  \

Question 11

Typically, you cannot call a member function of a class until you create a(n) ________ of that class.

Accepted Answer

A)  object 
B)  image 
C)  header 
D)  constructor 
A)  object 
B)  image 
C)  header 
D)  constructor

Question 12

Which of the following statements is false?

Accepted Answer

A)  Variables or functions listed after the public access specifier (and before the next access specifier, if there is one) are "available to the public." They can be used by other functions in the program, and by member functions of other classes. 
B)  By default, everything in a class is private, unless you specify otherwise. 
C)  You must list an access specifier for every member. 
D)  Declaring data members private is known as data hiding. private data members are encapsulated (hidden) in an object and can be accessed only by member functions of the object's class. 
A)  Variables or functions listed after the public access specifier (and before the next access specifier, if there is one) are "available to the public." They can be used by other functions in the program, and by member functions of other classes. 
B)  By default, everything in a class is private, unless you specify otherwise. 
C)  You must list an access specifier for every member. 
D)  Declaring data members private is known as data hiding. private data members are encapsulated (hidden) in an object and can be accessed only by member functions of the object's class.

Question 13

Which of the following statements is false?

Accepted Answer

A)  Each class can define a constructor for custom object initialization. 
B)  A constructor is a special member function that must have the same name as the class. 
C)  C++ requires a constructor call for every object that's created. 
D)  A constructor cannot specify parameters. 
A)  Each class can define a constructor for custom object initialization. 
B)  A constructor is a special member function that must have the same name as the class. 
C)  C++ requires a constructor call for every object that's created. 
D)  A constructor cannot specify parameters.

Question 14

A member-function call can supply ________ that help the function perform its task.

Accepted Answer

A)  parameters 
B)  arguments 
C)  classes 
D)  frameworks 
A)  parameters 
B)  arguments 
C)  classes 
D)  frameworks

Question 15

C++ is a(n) ________ programming language because you can define new class types as needed.

Accepted Answer

A)  strongly typed 
B)  extensible 
C)  inextensible 
D)  None of the above. 
A)  strongly typed 
B)  extensible 
C)  inextensible 
D)  None of the above.

Question 16

Which of the following statements is false?

Accepted Answer

A)  Variables declared in a particular function's body are local variables, which can be used only in that function. 
B)  When a function terminates, the values of its local variables are preserved. 
C)  A function's parameters also are local variables of that function. 
D)  The argument types in the member function call must be consistent with the types of the corresponding parameters in the member function's definition. 
A)  Variables declared in a particular function's body are local variables, which can be used only in that function. 
B)  When a function terminates, the values of its local variables are preserved. 
C)  A function's parameters also are local variables of that function. 
D)  The argument types in the member function call must be consistent with the types of the corresponding parameters in the member function's definition.

Question 17

A main function can "drive" an object by calling its member functions-without knowing how the class is implemented. In this sense, main is referred to as a(n) ________ program.

Accepted Answer

A)  manipulator 
B)  driver 
C)  controller 
D)  operator 
A)  manipulator 
B)  driver 
C)  controller 
D)  operator

Question 18

Which of the following statements about UML class diagrams is false?

Accepted Answer

A)  Like operations, the UML models constructors in the third compartment of a class diagram. 
B)  To distinguish a constructor from the class's operations, the UML requires that the word "constructor" be enclosed in guillemets and placed before the constructor's name. 
C)  It's customary to list constructors before other operations in the third compartment. 
D)  All of the above are true. 
A)  Like operations, the UML models constructors in the third compartment of a class diagram. 
B)  To distinguish a constructor from the class's operations, the UML requires that the word "constructor" be enclosed in guillemets and placed before the constructor's name. 
C)  It's customary to list constructors before other operations in the third compartment. 
D)  All of the above are true.

Question 19

Which of the following statements is false?

Accepted Answer

A)  A constructor that specifies a single parameter should be declared implicit. 
B)  A constructor does not specify a return type, because constructors cannot return values. 
C)  Constructors cannot be declared const (because initializing an object modifies it). 
D)  None of the above statements is false. 
A)  A constructor that specifies a single parameter should be declared implicit. 
B)  A constructor does not specify a return type, because constructors cannot return values. 
C)  Constructors cannot be declared const (because initializing an object modifies it). 
D)  None of the above statements is false.

Question 20

A default constructor has how many parameters?

Accepted Answer

A)  0. 
B)  1. 
C)  2. 
D)  Variable number. 
A)  0. 
B)  1. 
C)  2. 
D)  Variable number.

Exam 3: Introduction to Classes, Objects and Strings

Functions that are not members of a class are called ________ functions.

The default value for a string is ________.

Which of the following statements is false?

Which of the following statements is false?

You can initialize fundamental-type data members in their declarations. This is known as a(n) ________ initializer and was introduced in C++11.

The return type ________ indicates that when a function completes its task, it does not return (i.e., give back) any information to its calling function.

Which of the following statements is true?

Normally, constructors are ________.

Assuming that text is a variable of type string, what will be the contents of text after the statement cin >> text; is executed if the user types Hello World! then presses Enter?

C++ Standard Library function getline, from the <string> header, reads characters up to, but not including, a(n)________ (which is discarded), then places the characters in a string.

Typically, you cannot call a member function of a class until you create a(n) ________ of that class.

Which of the following statements is false?

Which of the following statements is false?

A member-function call can supply ________ that help the function perform its task.

C++ is a(n) ________ programming language because you can define new class types as needed.

Which of the following statements is false?

A main function can "drive" an object by calling its member functions-without knowing how the class is implemented. In this sense, main is referred to as a(n) ________ program.

Which of the following statements about UML class diagrams is false?

Which of the following statements is false?

A default constructor has how many parameters?

Introduction to Computers and C++

Introduction to C Programming; Inputoutput and Operators

Control Statements, Assignment, and Operators

Control Statements, Logical Operators

Functions and an Introduction to Recursion

Class Templates Array and Vector; Catching Exceptions

Pointers and Pointer-Based Strings

Classes: a Deeper Look; Throwing Exceptions

Operator Overloading; String and Array Objects

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Stream Inputoutput: a Deeper Look

File Processing

Standard Library Containers and Iterators

Standard Library Algorithms

Exception Handling: a Deeper Look

Introduction to Custom Templates

Custom Templatized Data Structures

Searching and Sorting

Class String and String Stream Processing

Bits, Characters, C Strings and Structs

Other Topics

C++11 Additional Features

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