Question 1

For the following code, which statement is not true?
Class Point
{
Private:
Double y;
Double z;
Public:
Double x;
};

Accepted Answer

A)   x is available to code that is written outside the class.
B)   The name of the class is Point.
C)   x, y, and z are called members of the class.
D)   z is not available to code that is written outside the class.
E)   All of these are true.F) D) and E)
G) C) and E)

Question 2

The destructor function's return type is

Accepted Answer

A)   int
B)   float
C)   char
D)   Nothing; destructors have no return type
E)   None of theseF) A) and C)
G) None of the above

Question 3

While a class's member functions may be overloaded, the constructor cannot be overloaded.

Accepted Answer

A) True 
 B)False

Question 4

Where are class declarations usually stored?

Accepted Answer

A)   on separate disk volumes
B)   in their own header files
C)   in .cpp files, along with function definitions
D)   under pseudonyms
E)   None of theseF) D) and E)
G) A) and B)

Question 5

When a constructor has a member initialization list, the initializations take place

Accepted Answer

A)   after any statements in the body of the constructor execute
B)   before any statements in the body of the constructor execute
C)   when a member is used in the execution of the program
D)   None of theseE) A) and B)
F) B) and C)

Question 6

Destructor functions are often used to free memory that was allocated by the object.

Accepted Answer

A) True 
 B)False

Question 7

Class objects can be defined prior to the class declaration.

Accepted Answer

A) True 
 B)False

Question 8

Objects in an array are accessed with __________.

Accepted Answer

A)   subscripts
B)   parentheses
C)   #include statements
D)   output format manipulators
E)   None of theseF) None of the above
G) All of the above

Question 9

Assume that myCar is an instance of the Car class and that the Car class has a member function named accelerate. Which of the following is a valid call to the accelerate member function?

Accepted Answer

A)   Car -> accelerate() ;
B)   myCar::accelerate() ;
C)   myCar.accelerate() ;
D)   myCar:accelerate() ;
E)   None of theseF) All of the above
G) C) and D)

Question 10

Constructor functions are often used to allocate memory that will be needed by the object.

Accepted Answer

A) True 
 B)False

Question 11

In C++11 you can have one constructor call another constructor in the same class by using

Accepted Answer

A)   constructor delegation
B)   in-place initialization
C)   a member initialization list
D)   None of theseE) None of the above
F) B) and D)

Question 12

Which of the following is a directive used to create an "include guard" that allows a program to be conditionally compiled to prevent a header file from accidentally being included more than once?

Accepted Answer

A)   #include
B)   #guard
C)   #ifndef
D)   #endif
E)   None of theseF) B) and E)
G) B) and D)

Question 13

Which of the following is automatically called when an object is destroyed?

Accepted Answer

A)   the constructor function
B)   the specification deallocator
C)   the destructor function
D)   the destruction function
E)   None of theseF) B) and E)
G) B) and C)

Question 14

What is the output of the following program?
#include <iostream>
using namespace std;
class TestClass
{
Public:
 \quad TestClass(int x) 
 \quad { cout \quad TestClass() 
 \quad { cout \quad TestClass test;
 \quad return 0;
}

Accepted Answer

A)   the program runs but there is no output.
B)   0
C)   Hello!
D)   the program will not compile E) B) and C)
F) A) and C)

Exam 13: Introduction to Classes

While a class's member functions may be overloaded, the constructor cannot be overloaded.

Correct Answer
verified

What is the output of the following program? #include <iostream> using namespace std; class TestClass { Public: $\quad$ TestClass(int x) $\quad$ { cout << x << endl; } $\quad$ TestClass() $\quad$ { cout << "Hello!" << endl; } }; Int main() { $\quad$ TestClass test; $\quad$ return 0; }

Correct Answer
verified

Objects in an array are accessed with __________.

Correct Answer
verified

Destructor functions are often used to free memory that was allocated by the object.

Correct Answer
verified

Assume that myCar is an instance of the Car class and that the Car class has a member function named accelerate. Which of the following is a valid call to the accelerate member function?

Correct Answer
verified

Constructor functions are often used to allocate memory that will be needed by the object.

Correct Answer
verified

For the following code, which statement is not true? Class Point { Private: Double y; Double z; Public: Double x; };

Correct Answer
verified

Class objects can be defined prior to the class declaration.

Correct Answer
verified

In C++11 you can have one constructor call another constructor in the same class by using

Correct Answer
verified

The destructor function's return type is

Correct Answer
verified

Where are class declarations usually stored?

Correct Answer
verified

When a constructor has a member initialization list, the initializations take place

Correct Answer
verified

Which of the following is a directive used to create an "include guard" that allows a program to be conditionally compiled to prevent a header file from accidentally being included more than once?

Correct Answer
verified

Which of the following is automatically called when an object is destroyed?

Correct Answer
verified

Exam 13: Introduction to Classes

While a class's member functions may be overloaded, the constructor cannot be overloaded.

Correct AnswerverifiedShow Answer

What is the output of the following program? #include <iostream> using namespace std; class TestClass { Public: \quad TestClass(int x) \quad { cout << x << endl; } \quad TestClass() \quad { cout << "Hello!" << endl; } }; Int main() { \quad TestClass test; \quad return 0; }

Correct AnswerverifiedShow Answer

Objects in an array are accessed with __________.

Correct AnswerverifiedShow Answer

Destructor functions are often used to free memory that was allocated by the object.

Correct AnswerverifiedShow Answer

Assume that myCar is an instance of the Car class and that the Car class has a member function named accelerate. Which of the following is a valid call to the accelerate member function?

Correct AnswerverifiedShow Answer

Constructor functions are often used to allocate memory that will be needed by the object.

Correct AnswerverifiedShow Answer

For the following code, which statement is not true? Class Point { Private: Double y; Double z; Public: Double x; };

Correct AnswerverifiedShow Answer

Class objects can be defined prior to the class declaration.

Correct AnswerverifiedShow Answer

In C++11 you can have one constructor call another constructor in the same class by using

Correct AnswerverifiedShow Answer

The destructor function's return type is

Correct AnswerverifiedShow Answer

Where are class declarations usually stored?

Correct AnswerverifiedShow Answer

When a constructor has a member initialization list, the initializations take place

Correct AnswerverifiedShow Answer

Which of the following is a directive used to create an "include guard" that allows a program to be conditionally compiled to prevent a header file from accidentally being included more than once?

Correct AnswerverifiedShow Answer

Which of the following is automatically called when an object is destroyed?

Correct AnswerverifiedShow Answer

Correct Answer
verified

What is the output of the following program? #include <iostream> using namespace std; class TestClass { Public: $\quad$ TestClass(int x) $\quad$ { cout << x << endl; } $\quad$ TestClass() $\quad$ { cout << "Hello!" << endl; } }; Int main() { $\quad$ TestClass test; $\quad$ return 0; }

Correct Answer
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