Question 1

Which of the following is the correct function definition header for the getAge function which is a member of the Person class?

Accepted Answer

A)  int getAge); 
B)  int getAge) 
C)  int Person:getAge) 
D)  int Person::getAge)

Question 2

Two different structure definitions may have the same member names.

Accepted Answer

A) True 
 B)False

Question 3

A data type consisting of data members and operations on those members which can be used by a programmer without knowing the implementation details of the data type is called

Accepted Answer

A)  an abstract definition type 
B)  an available data type 
C)  an abstract data type 
D)  a primitive data type

Question 4

If you have a class with a member function called displayostream& out), that will send the values in the class to the parameter stream, and you need to call that function from within another member function, how would you call it to print the data to the screen? ___________________________

Accepted Answer

The answer of If you have a class with a...

Question 5

When several items variables or variables and functions) are grouped together into a single package, that is known as ______________.

Accepted Answer

The answer of When several items variables or variables and...

Question 6

When a structure contains another structure variable as one of its members, it is known as a ___________________.

Accepted Answer

The answer of When a structure contains another structure variable...

Question 7

All constructors for a class must be private.

Accepted Answer

A) True 
 B)False

Question 8

A structure can only be passed to a function as a call-by-value parameter

Accepted Answer

A) True 
 B)False

Question 9

The assignment operator may not be used with objects of a class.

Accepted Answer

A) True 
 B)False

Question 10

Given the following class definition and the following member function header, which is the correct way to output the private data?
Class Person
{
Public:
Void outputPersonostream& out);
Private:
Int age;
Float weight;
Int id;
};
Void Person::outputPersonostream& out)
{
//what goes here?
}

Accepted Answer

A)  out << person.age << person.weight << person.id; 
B)  out << person; 
C)  out << age << weight << id; 
D)  outputPersonperson);

Question 11

If class A is derived from class B, then B is a _______ of A.

Accepted Answer

The answer of If class A is derived from class...

Question 12

A structure variable is a collection of smaller values called ____________ values

Accepted Answer

The answer of A structure variable is a collection of...

Question 13

Given the following strucure definitions, what is the correct way to print the person's birth year?
Struct DateType
{
Int day;
Int month;
Int year;
}
Struct PersonType
{
Int age;
Float weight;
DateType birthday;
}
PersonType person;

Accepted Answer

A)  cout << person.birthday.year; 
B)  cout << year; 
C)  cout << birthday.year; 
D)  cout << peson.year;

Question 14

Given the following class, what would be the best declaration for a mutator function that allows the user of the class to change the age?
Class Wine
{
Public:
Wine);
Int getAge);
Float getCost);
Private:
Int age;
Float cost;
}

Accepted Answer

A)  int getAgeint newAge); 
B)  Wine); 
C)  void setAge); 
D)  void setAgeint newAge);

Question 15

It is possible to have multiple private labels in a class definition.

Accepted Answer

A) True 
 B)False

Question 16

A struct variable is declared differently from a predefined type such as an int.

Accepted Answer

A) True 
 B)False

Question 17

A derived class is more specific than its parent, or base class.

Accepted Answer

A) True 
 B)False

Question 18

Given the following class definition, how would you declare an object of the class, so that the object automatically called the default constructor?
Class ItemClass
{
Public:
ItemClass);
ItemClassint newSize, float newCost);
Int getSize);
Float getCost);
Void setSizeint newSize);
Void setCostfloat newCost);
Private:
Int size;
Float cost;
};

Accepted Answer

A)  ItemClass) myItem; 
B)  ItemClass myItem1, 0.0); 
C)  ItemClass myItem; 
D)  ItemClass myItem); 
E)  You can not do this

Question 19

The keyword ________ defines a structure type definition.

Accepted Answer

The answer of The keyword ________ defines a structure type...

Question 20

If you design a class with private data members, and do not provide mutators and accessors, then

Accepted Answer

A)  The private data members can still be accessed from outside the class by using the & operator 
B)  The data can not be changed or viewed by anyone. 
C)  None of the above 
D)  A and B

Exam 10: Defining Classes

Which of the following is the correct function definition header for the getAge function which is a member of the Person class?

Two different structure definitions may have the same member names.

A data type consisting of data members and operations on those members which can be used by a programmer without knowing the implementation details of the data type is called

If you have a class with a member function called displayostream& out), that will send the values in the class to the parameter stream, and you need to call that function from within another member function, how would you call it to print the data to the screen? ___________________________

When several items variables or variables and functions) are grouped together into a single package, that is known as ______________.

When a structure contains another structure variable as one of its members, it is known as a ___________________.

All constructors for a class must be private.

A structure can only be passed to a function as a call-by-value parameter

The assignment operator may not be used with objects of a class.

Given the following class definition and the following member function header, which is the correct way to output the private data? Class Person { Public: Void outputPersonostream& out) ; Private: Int age; Float weight; Int id; }; Void Person::outputPersonostream& out) { //what goes here? }

If class A is derived from class B, then B is a _______ of A.

A structure variable is a collection of smaller values called ____________ values

Given the following strucure definitions, what is the correct way to print the person's birth year? Struct DateType { Int day; Int month; Int year; } Struct PersonType { Int age; Float weight; DateType birthday; } PersonType person;

Given the following class, what would be the best declaration for a mutator function that allows the user of the class to change the age? Class Wine { Public: Wine) ; Int getAge) ; Float getCost) ; Private: Int age; Float cost; }

It is possible to have multiple private labels in a class definition.

A struct variable is declared differently from a predefined type such as an int.

A derived class is more specific than its parent, or base class.

The keyword ________ defines a structure type definition.

If you design a class with private data members, and do not provide mutators and accessors, then