Question 1

How do you call the constructor of a superclass within a subclass?

Accepted Answer

A)  __init()__ 
B)  super().__init__() 
C)  super() 
D)  parent().init() 
A)  __init()__ 
B)  super().__init__() 
C)  super() 
D)  parent().init() B

Question 2

The constructor method is always named __init__.

Accepted Answer

A) True 
 B)False  True

Question 3

The ____ relationship describes two objects where one object is a more specific instance of the other.

Accepted Answer

A)  OF-A 
B)  HAS-A 
C)  IS-A 
D)  BELONGS-TO 
A)  OF-A 
B)  HAS-A 
C)  IS-A 
D)  BELONGS-TO C

Question 4

How does a Python object reference the class of which it is an instance?

Accepted Answer

Instances of Python objects al

Question 5

Match each definition with its term.
-A more specific class.

Accepted Answer

A)  Superclass 
B)  Abstract class 
C)  Subclass 
D)  The object class 
A)  Superclass 
B)  Abstract class 
C)  Subclass 
D)  The object class

Question 6

It is good programming practice to write all the code for a large program at once and then to test it.

Accepted Answer

A) True 
 B)False

Question 7

Describe the visibleObject instance variable that was added to the Canvas class presented in your text. How does this variable help improve drawing?

Accepted Answer

The modifications to __init__ and draw i

Question 8

When designing a project, it is a good idea to begin by making a list of the different kinds of objects involved and the relationships between those objects.

Accepted Answer

A) True 
 B)False

Question 9

The ____ method of the screen is used to define the width and height.

Accepted Answer

A)  __init__ 
B)  setup 
C)  move 
D)  setWidth 
A)  __init__ 
B)  setup 
C)  move 
D)  setWidth

Question 10

Match each definition with its term.
-The class from which all classes inherit.

Accepted Answer

A)  Superclass 
B)  Abstract class 
C)  Subclass 
D)  The object class 
A)  Superclass 
B)  Abstract class 
C)  Subclass 
D)  The object class

Question 11

Explain the benefits of using inheritance when creating a program that uses a variety of shapes with common characteristics.

Accepted Answer

Because all shapes have the same set of

Question 12

The ______ relationship describes two objects where one object uses another object.

Accepted Answer

A)  OF-A 
B)  HAS-A 
C)  IS-A 
D)  BELONGS-TO 
A)  OF-A 
B)  HAS-A 
C)  IS-A 
D)  BELONGS-TO

Question 13

The class where the IS-A link originates is called the superclass.

Accepted Answer

A) True 
 B)False

Question 14

How do you designate that B is a parent class of A?

Accepted Answer

A)  class A extends B 
B)  class A[B] 
C)  class A(
B)  
D)  class A of B: 
A)  class A extends B 
B)  class A[B] 
C)  class A(
B)  
D)  class A of B:

Question 15

What is the difference between an IS-A relationship and a HAS-A relationship?

Accepted Answer

The IS-A relationship describes two obje

Question 16

In the object hierarchy presented in the text, GeometricObject is a(n) ____ class.

Accepted Answer

A)  sub 
B)  specific 
C)  abstract 
D)  parameter 
A)  sub 
B)  specific 
C)  abstract 
D)  parameter

Question 17

When two classes are connected by an IS-A link, what do we call a class that inherits from a higher class in the inheritance hierarchy?

Accepted Answer

A)  Subclass 
B)  Method 
C)  Instance variable 
D)  Superclass 
A)  Subclass 
B)  Method 
C)  Instance variable 
D)  Superclass

Question 18

Case Study 2: 1. >>> myLine 2. 3. >>> myCanvas 4. 5. >>> isinstance(myLine, Line) 6. ?????? -Refer to the session in the accompanying Case Study 2. What is output on line 6?

Accepted Answer

A)  True 
B)  False 
C)  Line 
D)  myLine 
A)  True 
B)  False 
C)  Line 
D)  myLine

Question 19

In a hierarchy diagram, the most ____ object is at the top.

Accepted Answer

A)  general 
B)  specific 
C)  complicated 
D)  simple 
A)  general 
B)  specific 
C)  complicated 
D)  simple

Question 20

What variable holds the name of the parent of a class?

Accepted Answer

A)  __parent__ 
B)  __self___ 
C)  __super__ 
D)  __bases__ 
A)  __parent__ 
B)  __self___ 
C)  __super__ 
D)  __bases__

How do you call the constructor of a superclass within a subclass?

The constructor method is always named init.

The ____ relationship describes two objects where one object is a more specific instance of the other.

How does a Python object reference the class of which it is an instance?

Match each definition with its term. -A more specific class.

It is good programming practice to write all the code for a large program at once and then to test it.

Describe the visibleObject instance variable that was added to the Canvas class presented in your text. How does this variable help improve drawing?

When designing a project, it is a good idea to begin by making a list of the different kinds of objects involved and the relationships between those objects.

The ____ method of the screen is used to define the width and height.

Match each definition with its term. -The class from which all classes inherit.

Explain the benefits of using inheritance when creating a program that uses a variety of shapes with common characteristics.

The ______ relationship describes two objects where one object uses another object.

The class where the IS-A link originates is called the superclass.

How do you designate that B is a parent class of A?

What is the difference between an IS-A relationship and a HAS-A relationship?

In the object hierarchy presented in the text, GeometricObject is a(n) ____ class.

When two classes are connected by an IS-A link, what do we call a class that inherits from a higher class in the inheritance hierarchy?

Case Study 2: 1. >>> myLine 2. <draw.Line object at 0x106f6b0> 3. >>> myCanvas 4. <draw.Canvas instance at 0x1070328> 5. >>> isinstance(myLine, Line) 6. ?????? -Refer to the session in the accompanying Case Study 2. What is output on line 6?

In a hierarchy diagram, the most ____ object is at the top.

What variable holds the name of the parent of a class?

Introduction to Python: Introduction to Numeric Types, Turtle Graphics, Simple for Loops and Functions

Pthon: Estimating PI: Math and Random Methods, Selection and Boolean Expressions, the Print Function

Codes and Other Secrets: String Operators and Methods, the Len Built-In Function, Keyword Parameters, User Input

Introducing the Python Collections: Lists, Dictionaries, Tuples, and Statistics

Bigger Data: File Io: the While Loop, String Formatting, Reading Online Data in CSV and Json Formats

Image Processing: Nested for Loops, Functions As Parameters, Namespaces, Lists of Lists

Data Mining: Cluster Analysis: More on the While Loop; Parrallel Lists

Cryptanalysis: Advanced Dictionaries and Lists, Regular Expressions

Fractals: the Geometry of Nature: Recursion, Grammars and Production Rules

Astronomy: Creating Classes, Writing Constructors, Accessors, Mutators and Special Methods

Simulation:computer Simulation Using Objects

Video Games: Multithreading, Event Handlers, Static Variables

Filters

Exam 12: Father Was a Rectangle: Inheritance and Object-Oriented Design

How do you call the constructor of a superclass within a subclass?

The constructor method is always named __init__.

The ____ relationship describes two objects where one object is a more specific instance of the other.

How does a Python object reference the class of which it is an instance?

Match each definition with its term. -A more specific class.

It is good programming practice to write all the code for a large program at once and then to test it.

Describe the visibleObject instance variable that was added to the Canvas class presented in your text. How does this variable help improve drawing?

When designing a project, it is a good idea to begin by making a list of the different kinds of objects involved and the relationships between those objects.

The ____ method of the screen is used to define the width and height.

Match each definition with its term. -The class from which all classes inherit.

Explain the benefits of using inheritance when creating a program that uses a variety of shapes with common characteristics.

The ______ relationship describes two objects where one object uses another object.

The class where the IS-A link originates is called the superclass.

How do you designate that B is a parent class of A?

What is the difference between an IS-A relationship and a HAS-A relationship?

In the object hierarchy presented in the text, GeometricObject is a(n) ____ class.

When two classes are connected by an IS-A link, what do we call a class that inherits from a higher class in the inheritance hierarchy?

Case Study 2: 1. >>> myLine 2. <draw.Line object at 0x106f6b0> 3. >>> myCanvas 4. <draw.Canvas instance at 0x1070328> 5. >>> isinstance(myLine, Line) 6. ?????? -Refer to the session in the accompanying Case Study 2. What is output on line 6?

In a hierarchy diagram, the most ____ object is at the top.

What variable holds the name of the parent of a class?

Introduction to Python: Introduction to Numeric Types, Turtle Graphics, Simple for Loops and Functions

Pthon: Estimating PI: Math and Random Methods, Selection and Boolean Expressions, the Print Function

Codes and Other Secrets: String Operators and Methods, the Len Built-In Function, Keyword Parameters, User Input

Introducing the Python Collections: Lists, Dictionaries, Tuples, and Statistics

Bigger Data: File Io: the While Loop, String Formatting, Reading Online Data in CSV and Json Formats

Image Processing: Nested for Loops, Functions As Parameters, Namespaces, Lists of Lists

Data Mining: Cluster Analysis: More on the While Loop; Parrallel Lists

Cryptanalysis: Advanced Dictionaries and Lists, Regular Expressions

Fractals: the Geometry of Nature: Recursion, Grammars and Production Rules

Astronomy: Creating Classes, Writing Constructors, Accessors, Mutators and Special Methods

Simulation:computer Simulation Using Objects

Video Games: Multithreading, Event Handlers, Static Variables

Filters

The constructor method is always named init.