Deck 11: Classes and Object-Oriented Programming

Question 1

Object-oriented programming allows us to hide the object's data attributes from code that is outside the object.

Answer 1

True

Question 2

In a UML diagram, the middle section holds the list of the class's methods.

Answer 2

False

Question 3

What type of method provides a safe way for code outside a class to retrieve the values of attributes, without exposing the attributes in a way that they could be changed by the code outside the method?

A) Accessor
B) Mutator
C) Setter
D) Class

Answer 3

A

Question 4

A mutator method has no control over the way that a class's data attributes are modified.

Question 5

Which section in the UML holds the list of the class's data attributes?

A) first
B) Second
C) Third
D) fourth

Question 6

A(n) _____ is a set of real-world objects, parties, and major events related to the problem.

A) class
B) problem domain
C) object
D) instance

Question 7

Procedures operate on data items that are separate from the procedures.

Question 8

What are the procedures that an object performs called?

A) Methods
B) Actions
C) Modules
D) Instances

Question 9

What is, conceptually, a self-contained unit that consists of data attributes and methods that operate on the data attributes?

A) Class
B) Object
C) Instance
D) Module

Question 10

What type of programming contains class definitions?

A) Procedural
B) Object
C) Object-oriented
D) Modular

Question 11

What is another name for the accessor methods?

A) Setters
B) Getters
C) Instances
D) Attributes

Question 12

When a method is called, what does Python make to reference the specific object on which the method is supposed to operate?

A) state variable
B) self parameter
C) object data
D) init procedure

Question 13

What does the acronym UML stand for?

A) Unified Modeling Language
B) United Modeling Language
C) Unified Model Language
D) United Model Language

Question 14

The instances of a class share the data attributes in the class.

Question 15

Which method is automatically executed when an instance of the class is created in memory?

A) __state__
B) __obj__
C) __str__
D) __init__

Question 16

Which section in the UML holds the list of the class's methods?

A) first
B) Second
C) Third
D) fourth

Question 17

What is another name for the mutator methods?

A) Setters
B) Getters
C) Instances
D) Attributes

Question 18

What is the special name given to the method that returns a string containing the object's state?

A) __state__
B) __obj__
C) __str__
D) __init__

Question 19

What attributes belong to a specific instance of the class?

A) Instance
B) Self
C) Object
D) Data

Question 20

What is the combining of data and code in a single object known as?

A) Modularity
B) Instantiation
C) Encapsulation
D) Objectification

Question 21

An object's _______________ is simply the values of the object's attributes at any given moment.

Question 22

A(n) _______________ is code that specifies the data attributes and methods for a particular type of object.

Question 23

In _______________ programming, the programming is centered on objects that are created from abstract data types that encapsulate data and functions together.

Question 24

_______________ programming is a method of writing software that centers on the actions that take place in a program.

Question 25

The _______________ attributes are created by the self parameter and they belong to a specific instance of the class.

Question 26

A class definition is stored in the library so that it can be imported into any program.

Question 27

_______________ provides a set of standard diagrams for graphically depicting object-oriented systems.

Question 28

The self parameter is required in every method of a class.

Question 29

Each object that is created from a class is called a(n) _______________ of the class.

Question 30

An object is a stand-alone program but is used by programs that need its service.

Question 31

A class might be thought of as a 'blueprint' that an object may be created from.

Question 32

A method that returns a value from a class's attribute but does not change it is known as a(n) _______________ method.

Question 33

A class _______________ is a set of statements that define a class's methods and data attributes.

Question 34

The self parameter need not be named self, but it is strongly recommended to conform with standard practice.

Question 35

A(n) _______________ method in a class initializes an object's data attributes.