Question 1

A _____________ is something that can be substituted for and behave as its parent type.

Accepted Answer

subtype

Question 2

The word polymorphism derives from Greek meaning:

Accepted Answer

A)  something of a particular form 
B)  something with no particular form 
C)  something that can take many forms 
D)  something that can take any form 
A)  something of a particular form 
B)  something with no particular form 
C)  something that can take many forms 
D)  something that can take any form A

Question 3

Information hiding is a form of abstraction.n.

Accepted Answer

A) True 
 B)False  True

Question 4

For a class named Money that stores a dollar and cent amount, give an appropriate __add__ method. Assume that the class contains (private) instance variables dollars and cents. (Note: the cent amount stored should be in the range 0 to 99.)

Accepted Answer

def __add__(self, rmoney):
cen

Question 5

Match the descriptions with their terms:
-indicates a grouping of classes

Accepted Answer

A)  association 
B)  navigation 
C)  multiplicity 
D)  composition 
E)  aggregation
F) role names 
A)  association 
B)  navigation 
C)  multiplicity 
D)  composition 
E)  aggregation
F) role names

Question 6

All subclasses can serve as a subtype of its parent class.

Accepted Answer

A) True 
 B)False

Question 7

Subclass relationships in UML are indicated by use of a solid line with a(n)

Accepted Answer

A)  arrowhead 
B)  black square 
C)  closed arrowhead 
D)  black diamond 
A)  arrowhead 
B)  black square 
C)  closed arrowhead 
D)  black diamond

Question 8

Multiplicity in a UML class diagrams refers to the total number of relationships defined between classes.

Accepted Answer

A) True 
 B)False

Question 9

For person1, an object instance of class FullName containing private instance variables first_name and last_name, indicate how each of these instance variables can be directly accessed from outside the class.

Accepted Answer

Can be directly access by use

Question 10

Give the __str__ method for a class named FullName that contains the first and last name of an individual, such that the name is displayed (when printed) in the form lastname, firstname. Assume that the class contains (private) instance variables first_name and last_name.

Accepted Answer

def __str__(self, fn

Question 11

A class in which one or more methods are unimplemented (or only implemented to raise an exception) is called an abstract class.

Accepted Answer

A) True 
 B)False

Question 12

Private members of a class in Python begin and end with two underscore characters.

Accepted Answer

A) True 
 B)False

Question 13

A class specifies a set of instance variables and methods that are "bundled together" for defining a type of object.

Accepted Answer

A) True 
 B)False

Question 14

Special methods __repr__ and __str__ both produce the same string representation of a given object's value.

Accepted Answer

A) True 
 B)False

Question 15

The three sections of a class as denoted in UML are ____________, ______________, and __________.

Accepted Answer

class name

Question 16

Give a UML class diagram for some of the entities in a university. Include the following classes: University, College, Department, Department Chair, Faculty Member, Student, and Course. Include only the class names in the denoted classes. Make sure to include multiplicity and role names were appropriate.

Accepted Answer

The answer of Give a UML class diagram for some...

Question 17

Denote in UML a Fraction class with private instance variables numer and denom, an __init__ method, setter and getter methods, a method for properly displaying a fraction value, a method for adding two fraction values (such that the '+' symbol can be used, returning a Fraction result), and a method for comparing if two given Fraction objects are equal (using the '==' symbol, returning a Boolean result).

Accepted Answer

The answer of Denote in UML a Fraction class with...

Question 18

In procedural programming, the focus is on variables and the passing of variables to functions, whereas in object-oriented programming, the focus is on _____________ and _____________________________.

Accepted Answer

objects, m

Question 19

What keyword is used to define a new class in Python?

Accepted Answer

A)  class 
B)  def 
C)  new 
D)  declare 
A)  class 
B)  def 
C)  new 
D)  declare

Question 20

In object-oriented programming, polymorphism allows objects of different types, each with their own specific behaviors, to be treated as the same general type.

Accepted Answer

A) True 
 B)False

A _____________ is something that can be substituted for and behave as its parent type.

The word polymorphism derives from Greek meaning:

Information hiding is a form of abstraction.n.

For a class named Money that stores a dollar and cent amount, give an appropriate add method. Assume that the class contains (private) instance variables dollars and cents. (Note: the cent amount stored should be in the range 0 to 99.)

Match the descriptions with their terms: -indicates a grouping of classes

All subclasses can serve as a subtype of its parent class.

Subclass relationships in UML are indicated by use of a solid line with a(n)

Multiplicity in a UML class diagrams refers to the total number of relationships defined between classes.

For person1, an object instance of class FullName containing private instance variables first_name and last_name, indicate how each of these instance variables can be directly accessed from outside the class.

Give the str method for a class named FullName that contains the first and last name of an individual, such that the name is displayed (when printed) in the form lastname, firstname. Assume that the class contains (private) instance variables first_name and last_name.

A class in which one or more methods are unimplemented (or only implemented to raise an exception) is called an abstract class.

Private members of a class in Python begin and end with two underscore characters.

A class specifies a set of instance variables and methods that are "bundled together" for defining a type of object.

Special methods repr and str both produce the same string representation of a given object's value.

The three sections of a class as denoted in UML are , , and .

In procedural programming, the focus is on variables and the passing of variables to functions, whereas in object-oriented programming, the focus is on _ and _________________.

What keyword is used to define a new class in Python?

In object-oriented programming, polymorphism allows objects of different types, each with their own specific behaviors, to be treated as the same general type.

Introduction

Data and Expressions

Control Structures

Lists

Functions

Objects and Their Use

Modular Design

Text Files

Dictionaries and Sets

Recursion

Filters

Exam 10: Object-Oriented Programming

A _____________ is something that can be substituted for and behave as its parent type.

The word polymorphism derives from Greek meaning:

Information hiding is a form of abstraction.n.

For a class named Money that stores a dollar and cent amount, give an appropriate __add__ method. Assume that the class contains (private) instance variables dollars and cents. (Note: the cent amount stored should be in the range 0 to 99.)

Match the descriptions with their terms: -indicates a grouping of classes

All subclasses can serve as a subtype of its parent class.

Subclass relationships in UML are indicated by use of a solid line with a(n)

Multiplicity in a UML class diagrams refers to the total number of relationships defined between classes.

For person1, an object instance of class FullName containing private instance variables first_name and last_name, indicate how each of these instance variables can be directly accessed from outside the class.

Give the __str__ method for a class named FullName that contains the first and last name of an individual, such that the name is displayed (when printed) in the form lastname, firstname. Assume that the class contains (private) instance variables first_name and last_name.

A class in which one or more methods are unimplemented (or only implemented to raise an exception) is called an abstract class.

Private members of a class in Python begin and end with two underscore characters.

A class specifies a set of instance variables and methods that are "bundled together" for defining a type of object.

Special methods __repr__ and __str__ both produce the same string representation of a given object's value.

The three sections of a class as denoted in UML are ____________, ______________, and __________.

In procedural programming, the focus is on variables and the passing of variables to functions, whereas in object-oriented programming, the focus is on _____________ and _____________________________.

What keyword is used to define a new class in Python?

In object-oriented programming, polymorphism allows objects of different types, each with their own specific behaviors, to be treated as the same general type.

Introduction

Data and Expressions

Control Structures

Lists

Functions

Objects and Their Use

Modular Design

Text Files

Dictionaries and Sets

Recursion

Filters

For a class named Money that stores a dollar and cent amount, give an appropriate add method. Assume that the class contains (private) instance variables dollars and cents. (Note: the cent amount stored should be in the range 0 to 99.)

Give the str method for a class named FullName that contains the first and last name of an individual, such that the name is displayed (when printed) in the form lastname, firstname. Assume that the class contains (private) instance variables first_name and last_name.

Special methods repr and str both produce the same string representation of a given object's value.

The three sections of a class as denoted in UML are , , and .

In procedural programming, the focus is on variables and the passing of variables to functions, whereas in object-oriented programming, the focus is on _ and _________________.