Data attribute: Data attributes are the properties of class that are stored in an object. The values of the data items which are stored inside an object are called data attributes. The data attributes can be accessed using dot operator. For example, a class “Car” has the properties such as car model, manufacture date, car name. These properties are the data attribute of “Car”. Encapsulation: It combines the data and code into a single object It helps in restricting access to the methods. This helps in preventing the data from being modified due to accident. Object’s variable is not directly accessible. Underscore helps in preventing the data being accessed directly. The encapsulation rules in python can be summarized as Public method It is accessible from anywhere. Public variables It can be accessed from anywhere. Private method It can be accessed only in their own class Private method It is accessible only in their class or method.

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Answer 1

Question

Chapter 14, Problem 2SA

Program Plan Intro

Data attribute:

Data attributes are the properties of class that are stored in an object.

The values of the data items which are stored inside an object are called data attributes.

The data attributes can be accessed using dot operator.

For example, a class “Car” has the properties such as car model, manufacture date, car name. These properties are the data attribute of “Car”.

Encapsulation:

It combines the data and code into a single object

It helps in restricting access to the methods.

This helps in preventing the data from being modified due to accident.

Object’s variable is not directly accessible.

Underscore helps in preventing the data being accessed directly.

The encapsulation rules in python can be summarized as

Public method It is accessible from anywhere.
Public variables It can be accessed from anywhere.
Private method It can be accessed only in their own class
Private method It is accessible only in their class or method.

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Change the following code so that there is always at least one way to get from the left corner to the top right, but the labyrinth is still randomized. The player starts at the bottom left corner of the labyrinth. He has to get to the top right corner of the labyrinth as fast he can, avoiding a meeting with the evil dragon. Take care that the player and the dragon cannot start off on walls. Also the dragon starts off from a randomly chosen position public class Labyrinth { private final int size; private final Cell[][] grid; public Labyrinth(int size) { this.size = size; this.grid = new Cell[size][size]; generateLabyrinth(); } private void generateLabyrinth() { Random rand = new Random(); for (int i = 0; i < size; i++) { for (int j = 0; j < size; j++) { // Randomly create walls and paths grid[i][j] = new Cell(rand.nextBoolean()); } } // Ensure start and end are…

Change the following code so that it checks the following 3 conditions: 1. there is no space between each cells (imgs) 2. even if it is resized, the components wouldn't disappear 3. The GameGUI JPanel takes all the JFrame space, so that there shouldn't be extra space appearing in the frame other than the game. Main(): Labyrinth labyrinth = new Labyrinth(10); Player player = new Player(9, 0); Dragon dragon = new Dragon(9, 9); JFrame frame = new JFrame("Labyrinth Game"); GameGUI gui = new GameGUI(labyrinth, player, dragon); frame.add(gui); frame.setSize(600, 600); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); public class GameGUI extends JPanel { private final Labyrinth labyrinth; private final Player player; private final Dragon dragon; //labyrinth, player, dragon are just public classes private final ImageIcon playerIcon = new ImageIcon("data/images/player.png");…

Answer 2

Question

Chapter 14, Problem 2SA

Program Plan Intro

Data attribute:

Data attributes are the properties of class that are stored in an object.

The values of the data items which are stored inside an object are called data attributes.

The data attributes can be accessed using dot operator.

For example, a class “Car” has the properties such as car model, manufacture date, car name. These properties are the data attribute of “Car”.

Encapsulation:

It combines the data and code into a single object

It helps in restricting access to the methods.

This helps in preventing the data from being modified due to accident.

Object’s variable is not directly accessible.

Underscore helps in preventing the data being accessed directly.

The encapsulation rules in python can be summarized as

Public method It is accessible from anywhere.
Public variables It can be accessed from anywhere.
Private method It can be accessed only in their own class
Private method It is accessible only in their class or method.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 14, Problem 2SA

Program Plan Intro

Data attribute:

Data attributes are the properties of class that are stored in an object.

The values of the data items which are stored inside an object are called data attributes.

The data attributes can be accessed using dot operator.

For example, a class “Car” has the properties such as car model, manufacture date, car name. These properties are the data attribute of “Car”.

Encapsulation:

It combines the data and code into a single object

It helps in restricting access to the methods.

This helps in preventing the data from being modified due to accident.

Object’s variable is not directly accessible.

Underscore helps in preventing the data being accessed directly.

The encapsulation rules in python can be summarized as

Public method It is accessible from anywhere.
Public variables It can be accessed from anywhere.
Private method It can be accessed only in their own class
Private method It is accessible only in their class or method.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 14, Problem 2SA

Program Plan Intro

Data attribute:

Data attributes are the properties of class that are stored in an object.

The values of the data items which are stored inside an object are called data attributes.

The data attributes can be accessed using dot operator.

For example, a class “Car” has the properties such as car model, manufacture date, car name. These properties are the data attribute of “Car”.

Encapsulation:

It combines the data and code into a single object

It helps in restricting access to the methods.

This helps in preventing the data from being modified due to accident.

Object’s variable is not directly accessible.

Underscore helps in preventing the data being accessed directly.

The encapsulation rules in python can be summarized as

Public method It is accessible from anywhere.
Public variables It can be accessed from anywhere.
Private method It can be accessed only in their own class
Private method It is accessible only in their class or method.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 5

Chapter 14, Problem 2SA

Program Plan Intro

Data attribute:

Data attributes are the properties of class that are stored in an object.

The values of the data items which are stored inside an object are called data attributes.

The data attributes can be accessed using dot operator.

For example, a class “Car” has the properties such as car model, manufacture date, car name. These properties are the data attribute of “Car”.

Encapsulation:

It combines the data and code into a single object

It helps in restricting access to the methods.

This helps in preventing the data from being modified due to accident.

Object’s variable is not directly accessible.

Underscore helps in preventing the data being accessed directly.

The encapsulation rules in python can be summarized as

Public method It is accessible from anywhere.
Public variables It can be accessed from anywhere.
Private method It can be accessed only in their own class
Private method It is accessible only in their class or method.

Answer 6

Chapter 14, Problem 2SA

Program Plan Intro

Data attribute:

Data attributes are the properties of class that are stored in an object.

The values of the data items which are stored inside an object are called data attributes.

The data attributes can be accessed using dot operator.

For example, a class “Car” has the properties such as car model, manufacture date, car name. These properties are the data attribute of “Car”.

Encapsulation:

It combines the data and code into a single object

It helps in restricting access to the methods.

This helps in preventing the data from being modified due to accident.

Object’s variable is not directly accessible.

Underscore helps in preventing the data being accessed directly.

The encapsulation rules in python can be summarized as

Public method It is accessible from anywhere.
Public variables It can be accessed from anywhere.
Private method It can be accessed only in their own class
Private method It is accessible only in their class or method.

Answer 7

Chapter 14, Problem 2SA

Program Plan Intro

Data attribute:

Data attributes are the properties of class that are stored in an object.

The values of the data items which are stored inside an object are called data attributes.

The data attributes can be accessed using dot operator.

For example, a class “Car” has the properties such as car model, manufacture date, car name. These properties are the data attribute of “Car”.

Encapsulation:

It combines the data and code into a single object

It helps in restricting access to the methods.

This helps in preventing the data from being modified due to accident.

Object’s variable is not directly accessible.

Underscore helps in preventing the data being accessed directly.

The encapsulation rules in python can be summarized as

Public method It is accessible from anywhere.
Public variables It can be accessed from anywhere.
Private method It can be accessed only in their own class
Private method It is accessible only in their class or method.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 14.1 - What is an object?Ch. 14.1 - Prob. 14.2CP Ch. 14.1 - Prob. 14.3CP Ch. 14.1 - What are public methods? What are private methods?Ch. 14.2 - You hear someone make the following comment: A...Ch. 14.2 - In this chapter, we use the metaphor of a cookie...Ch. 14.2 - Prob. 14.7CP Ch. 14.2 - Prob. 14.8CP Ch. 14.2 - When a class variable is said to reference an...Ch. 14.2 - Prob. 14.10CP

Solution Summary: The author explains that data attributes are the properties of class that are stored in an object. Encapsulation helps in restricting access to the methods.

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Chapter 14 Solutions

Public method	It is accessible from anywhere.
Public variables	It can be accessed from anywhere.
Private method	It can be accessed only in their own class
Private method	It is accessible only in their class or method.