Deck 8: Class Features and Design Issues

Question 1

____ functions perform some action or service, such as sorting data or searching for data.

A) Inspector
B) Predicate
C) Mutator
D) Auxiliary

Answer 1

D

Question 2

____ functions return information about an object's state, or display some or all of an object's attributes.

A) Inspector
B) Manager
C) Mutator
D) Auxiliary

Answer 2

A

Question 3

The one's complement operator (____) is the operator that makes every bit become its opposite.

A) !
B) ^
C) ~
D) %

Answer 3

C

Question 4

isUpper() is a typical example of a(n) ____ function.

A) manager
B) auxiliary
C) inspector
D) predicate

Question 5

getName() is a typical example of a(n) ____ function.

A) manager
B) auxiliary
C) inspector
D) predicate

Question 6

____ functions change an object's state or attributes.

A) Inspector
B) Manager
C) Mutator
D) Auxiliary

Question 7

A ____ is a collection of useful classes.

A) library
B) superclass
C) class hierarchy
D) module

Question 8

A ____ function has the same name as its class, preceded with a tilde.

A) constructor
B) manager
C) predicate
D) destructor

Question 9

An initialization list is the part of the constructor header to the left of the colon.

Question 10

The one's complement operator is also called the bitwise complement operator.

Question 11

A ____ constructor makes a local copy.

A) default
B) non-default
C) copy
D) bitwise

Question 12

The composition relationship is called an "is-a" relationship.

Question 13

A ____ function has the same name as its class.

A) constructor
B) manager
C) predicate
D) mutator

Question 14

A(n) ____ is an internal name for the group of statements that make up the definition of a class.

A) #ifndef name
B) #define name
C) #ifdef name
D) #include name

Question 15

Several destructors can exist for each class.

Question 16

sortAscending() is a typical example of a(n) ____ function.

A) manager
B) auxiliary
C) inspector
D) predicate

Question 17

Coupling is either tight coupling or loose coupling, depending on how much one function depends on information from another.

Question 18

____ functions create and destroy objects for you.

A) Constructor
B) Manager
C) Mutator
D) Auxiliary

Question 19

All constructors are public.

Question 20

____ functions test the truth of some condition.

A) Inspector
B) Predicate
C) Mutator
D) Auxiliary

Question 21

If you want to create an array of class objects such as House aHouse[3] , the class must have a default ____________________.

Question 22

What does it mean to overload a constructor?

Question 23

A(n) ____________________ constructor is one that does not require any arguments.

Question 24

How do constructor functions differ from other member functions?

Question 25

____ refers to how well the operations in a function relate to one another.

A) Encapsulation
B) Abstraction
C) Cohesion
D) Coupling

Question 26

The ____ directive means that you have reached the end of the block of code that you are defining.

A) #define
B) #endif
C) #ifdef
D) #ifndef

Question 27

The C++ directive ____ allows you to test whether a class has already been defined in a project; it means "if not defined."

A) #define
B) #endif
C) #ifdef
D) #ifndef

Question 28

____ cohesion occurs when all of the function operations contribute to the performance of only one task.

A) Functional
B) Procedural
C) Complete
D) Default

Question 29

Using an object within another object is known as ____________________.

Question 30

____ are simple routines that do nothing (or very little).

A) Prototypes
B) Initialization lists
C) Stubs
D) Auxiliary functions

Question 31

Implement a default constructor for the following class:
class Employee
{
private:
int idNum;
double hourlyRate;
public:
Employee();
void setIdNum(const int);
void setHourlyRate(const double);
int getIdNum();
double getHourlyRate();
};

Question 32

What are the four special member functions that every C++ class object automatically has?

Question 33

Why is it a good idea to implement your own default constructor, rather than letting C++ provide one?

Question 34

What does the default destructor of a class do?

Question 35

____ is a measure of the strength of the connection between two functions; it expresses the extent to which information is exchanged by functions.

A) Encapsulation
B) Abstraction
C) Cohesion
D) Coupling

Question 36

The following code shows an example of ____:
Double square(double number)
{
Return (number * number);
}

A) coupling
B) tight coupling
C) loose coupling
D) functional cohesion

Question 37

Why must a constructor have the same name as its class?

Question 38

In highly ____________________ functions, all operations are related.

Question 39

A(n) ____________________ list provides constructor-required values for the member-objects.

Question 40

A(n) ____________________ constructor is one that requires at least one argument.

Question 42

In the software industry, what is RAD?

Question 44

Why should you avoid using digits in a variable, function or class name?

Question 52

What is the difference between tight coupling and loose coupling in functions?

Question 53

Modify the following class definition so that it uses the #ifndef , #define and #endif directives:
class Salesperson
{
private:
int idNum;
string name;
public:
Salesperson(int, string);
void display();
};
Salesperson::Salesperson(int id, string lastName)
{
idNum = id;
name = lastName;
}
void Salesperson::display()
{
cout