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

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What is the name of the property that allows Python to call the right method of an object depending on the type of object referenced by a superclass?

(Multiple Choice)

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Question 21

In an expanded object hierarchy for shapes, which of the following would be the most specific (or least general) class?

(Multiple Choice)

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Question 22

Case Study 1: 1. myCanvas = Canvas (800, 600) 2. myLine = Line(Point (-100, -100), Point (100, 100)) 3. myCanvas.draw(myLine) -Refer to the session in the accompanying Case Study 1. What can be inferred about the Point class?

(Multiple Choice)

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Question 23

The dict variable is a dictionary that keeps track of the methods defined for the class.

(True/False)

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Question 24

Describe the drawAll method of the Canvas class presented in your text.

(Essay)

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Question 25

Match each definition with its term. -Provides us with one place to define instance variables and methods used by subclasses.

(Multiple Choice)

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Question 26

Explain how the Canvas draw method presented in your text makes use of the _draw method in GeometricObject.

(Essay)

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Question 27

In inheritance, the more general class is called the ____ class.

(Multiple Choice)

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Question 28

Explain how Python evaluates the expression myLine.getWidth().

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Question 29

Case Study 1: 1. myCanvas = Canvas (800, 600) 2. myLine = Line(Point (-100, -100), Point (100, 100)) 3. myCanvas.draw(myLine) -Refer to the session in the accompanying Case Study 1. What can be inferred about the Canvas class?

(Multiple Choice)

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Question 30

What is inheritance? As an example, explain how Shape and a Rectangle are related.

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Question 31

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

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Question 32

Showing 21 - 32 of 32

What is the name of the property that allows Python to call the right method of an object depending on the type of object referenced by a superclass?

In an expanded object hierarchy for shapes, which of the following would be the most specific (or least general) class?

Case Study 1: 1. myCanvas = Canvas (800, 600) 2. myLine = Line(Point (-100, -100), Point (100, 100)) 3. myCanvas.draw(myLine) -Refer to the session in the accompanying Case Study 1. What can be inferred about the Point class?

The dict variable is a dictionary that keeps track of the methods defined for the class.

Describe the drawAll method of the Canvas class presented in your text.

Match each definition with its term. -Provides us with one place to define instance variables and methods used by subclasses.

Explain how the Canvas draw method presented in your text makes use of the _draw method in GeometricObject.

In inheritance, the more general class is called the ____ class.

Explain how Python evaluates the expression myLine.getWidth().

Case Study 1: 1. myCanvas = Canvas (800, 600) 2. myLine = Line(Point (-100, -100), Point (100, 100)) 3. myCanvas.draw(myLine) -Refer to the session in the accompanying Case Study 1. What can be inferred about the Canvas class?

What is inheritance? As an example, explain how Shape and a Rectangle are related.

Match each definition with its term. -A more general 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

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

What is the name of the property that allows Python to call the right method of an object depending on the type of object referenced by a superclass?

In an expanded object hierarchy for shapes, which of the following would be the most specific (or least general) class?

Case Study 1: 1. myCanvas = Canvas (800, 600) 2. myLine = Line(Point (-100, -100), Point (100, 100)) 3. myCanvas.draw(myLine) -Refer to the session in the accompanying Case Study 1. What can be inferred about the Point class?

The __dict__ variable is a dictionary that keeps track of the methods defined for the class.

Describe the drawAll method of the Canvas class presented in your text.

Match each definition with its term. -Provides us with one place to define instance variables and methods used by subclasses.

Explain how the Canvas draw method presented in your text makes use of the _draw method in GeometricObject.

In inheritance, the more general class is called the ____ class.

Explain how Python evaluates the expression myLine.getWidth().

Case Study 1: 1. myCanvas = Canvas (800, 600) 2. myLine = Line(Point (-100, -100), Point (100, 100)) 3. myCanvas.draw(myLine) -Refer to the session in the accompanying Case Study 1. What can be inferred about the Canvas class?

What is inheritance? As an example, explain how Shape and a Rectangle are related.

Match each definition with its term. -A more general 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 dict variable is a dictionary that keeps track of the methods defined for the class.