Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)
4th Edition
ISBN: 9780134787961
Author: Tony Gaddis, Godfrey Muganda
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 8, Problem 4MC
Making an instance of one class a field in another class is called_____.
- a. nesting
- b. class fielding
- c. aggregation
- d. concatenation
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Assignment:
1- Create a class called Book with the following attributes:
1. title: The title of the book.
2. author: The author of the book.
3. pages: The number of pages in the book.
Use a constructor (__init___) to initialize these attributes when creating an object
from the class. Add a method inside the class calle description() which returns a
description of the book
Lec 3: Classes and Objects
Object-oriented programming
2- Create a class called Phone with the following attributes:
1. brand: The brand of the phone.
2. price: The price of the phone.
Use a constructor (__init__) to initialize these attributes when creating an object
from the class. Add a method inside the class called show_info(), which prints the
phone's details
Design a Ship class that has the following members:• A field for the name of the ship (a string).• A field for the year that the ship was built (a string).• A constructor and appropriate accessors and mutators.• A toString method that displays the ship's name and the year it was built.Disign a CruiseShip class that extends the Ship class. The CruiseShip class should have thefollowing members:• A field for the maximum number of passengers (an int).• A constructor and appropriate accessors and mutators.• A toString method that overrides the toString method in the base class. The CruiseShipclass's toString method should display only the ship's name and the maximum number ofpassengers.Design a CargoShip class that extends the Ship class. The CargoShip class should have thefollowing members:• A field for the cargo capacity in tonnage (an int).• A constructor and appropriate accessors and mutators.• A toString method that overrides the toString method in the base class. The CargoShipclass's…
This function is used to check whether an object is an instance of a specific class or a subclass of that class. a. isinstance b. isobject c. isreference d. _ _str_ _
Chapter 8 Solutions
Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)
Ch. 8.1 - Prob. 8.1CPCh. 8.1 - Prob. 8.2CPCh. 8.1 - Describe the limitation of static methods.Ch. 8.8 - Prob. 8.4CPCh. 8.9 - Look at the following statement, which declares an...Ch. 8.9 - Assume that the following enumerated data type has...Ch. 8.9 - Prob. 8.7CPCh. 8 - This type of method cannot access any non-static...Ch. 8 - Prob. 2MCCh. 8 - If you write this method for a class, Java will...
Ch. 8 - Making an instance of one class a field in another...Ch. 8 - This is the name of a reference variable that is...Ch. 8 - This enum method returns the position of an enum...Ch. 8 - Assuming the following declaration exists: enum...Ch. 8 - You cannot use the fully qualified name of an enum...Ch. 8 - The Java Virtual Machine periodically performs...Ch. 8 - If a class has this method, it is called...Ch. 8 - CRC stands for a. Class, Return value, Composition...Ch. 8 - True or False: A static member method may refer to...Ch. 8 - True or False: All static member variables are...Ch. 8 - Prob. 14TFCh. 8 - Prob. 15TFCh. 8 - Prob. 16TFCh. 8 - True or False: Enumerated data types are actually...Ch. 8 - True or False: enum constants have a toString...Ch. 8 - public class MyClass { private int x; private...Ch. 8 - Assume the following declaration exists : enum...Ch. 8 - Consider the following class declaration: public...Ch. 8 - Consider the following class declaration: public...Ch. 8 - A pet store sells dogs, cats, birds, and hamsters....Ch. 8 - Prob. 1SACh. 8 - Prob. 2SACh. 8 - Prob. 3SACh. 8 - Even if you do not write an equals method for a...Ch. 8 - A has a relationship can exist between classes....Ch. 8 - Prob. 6SACh. 8 - Is it advisable or not advisable to write a method...Ch. 8 - Prob. 8SACh. 8 - Look at the following declaration: enum Color {...Ch. 8 - Assuming the following enum declaration exists:...Ch. 8 - Under what circumstances does an object become a...Ch. 8 - Area Class Write a class that has three overloaded...Ch. 8 - BankAccount Class Copy Constructor Add a copy...Ch. 8 - Carpet Calculator The Westfield Carpet Company has...Ch. 8 - LandTract Class Make a LandTract class that has...Ch. 8 - Month Class Write a class named Month. The class...Ch. 8 - CashRegister Class Write a CashRegister class that...Ch. 8 - Sales Receipt File Modify the program you wrote in...Ch. 8 - Parking Ticket Simulator For this assignment you...Ch. 8 - Geometry Calculator Design a Geometry class with...Ch. 8 - Car Instrument Simulator For this assignment, you...Ch. 8 - First to One Game This game is meant for two or...Ch. 8 - Heads or TaiLs Game This game is meant for two or...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
Write four different Java statements that each add 1 to integer variable x.
Java How to Program, Early Objects (11th Edition) (Deitel: How to Program)
What are the six steps of a soldering operation?
Degarmo's Materials And Processes In Manufacturing
A file exists on the disk named students.dat. The file contains several records, and each record contains two f...
Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science)
This optional Google account security feature sends you a message with a code that you must enter, in addition ...
SURVEY OF OPERATING SYSTEMS
List the five major hardware components of a computer system.
Starting Out With Visual Basic (8th Edition)
Why are some items within a class designated as private?
Computer Science: An Overview (13th Edition) (What's New in Computer Science)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- Write a class named Car that has the following member variables: yearModel: An int that holds the car’s year model. name: A string that holds the name of the car. company: A string that holds the company of the car. speed: An int that holds the car’s current speed. In addition, the class should have the following member functions. Mutator: Appropriate accessor functions to set the values of object’s yearModel, name, company, and speed member variables. Accessor: Appropriate accessor functions to get the values stored in an object’s yearModel, company, and speed member variables. Accelerate: The accelerate function should add 5 to the speed member variable each time it is called. Brake: The brake function should subtract 5 from the speed member variable each time it is called. Demonstrate the class in a program that creates a Car object, call the setter functions to set the values and then call the accelerate function five times. After each call to the accelerate function, get…arrow_forward2. Car Class Write a class named car that has the following fields: ▪ yearModel. The year Model field is an int that holds the car's year model. ▪ make. The make field is a String object that holds the make of the car, such as "Ford", "Chevrolet", "Honda", etc. ▪ speed. The speed field is an int that holds the car's current speed. In addition, the class should have the following methods. ■ Constructor. The constructor should accept the car's year model and make as arguments. These values should be assigned to the object's year Model and make fields. The constructor should also assign 0 to the speed field.arrow_forwardParking Ticket SimulatorFor this assignment you will design a set of classes that work together to simulate apolice officer issuing a parking ticket. The classes you should design are:• The Parkedcar Class: This class should simulate a parked car. The class's respon-sibilities are:To know the car's make, model, color, license number, and the number of min-utes that the car has been parkedThe BarkingMeter Class: This class should simulate a parking meter. The class'sonly responsibility is:- To know the number of minutes of parking time that has been purchased• The ParkingTicket Class: This class should simulate a parking ticket. The class'sresponsibilities areTo report the make, model, color, and license number of the illegally parked carTo report the amount of the fine, which is $2S for the first hour or part of anhour that the car is illegally parked, plus $10 for every additional hour or part ofan hour that the car is illegally parkedTo report the name and badge number of the police…arrow_forward
- NewspaperSubscriber class- create an abstract class named NewspaperSubscriber with attributes to contain the subscriber’s street address and the subscription rate. Include get and set methods for both these attributes. The set method for the rate is abstract. The setAddress method must prompt the user to enter the subscriber’s address through the use of a dialog box. Create a constructor for the base class. Create a toString() method that concaternates and returns the subscriber’s street address and rate for display. Create 3 child classes named SevenDaySubscriber, Weekday Subscriber, and Weekend Subscriber. Each child class has an additional attribute called subType, which is a String, that will store the type of newspaper subscription. Create a setType method that will set the type of subscriber as follows: “Seven Day”, “Weekday”, or“Weekend”. Create a setRate method for each child class that sets the rate as follows: a SevenDaysubscriber pays R18.00 per week for his newspapers, a…arrow_forwardTrue or false: Just as a class can have multiple constructors, it can also have multiple destructors.arrow_forwardclass Widget: """A class representing a simple Widget === Instance Attributes (the attributes of this class and their types) === name: the name of this Widget (str) cost: the cost of this Widget (int); cost >= 0 === Sample Usage (to help you understand how this class would be used) === >>> my_widget = Widget('Puzzle', 15) >>> my_widget.name 'Puzzle' >>> my_widget.cost 15 >>> my_widget.is_cheap() False >>> your_widget = Widget("Rubik's Cube", 6) >>> your_widget.name "Rubik's Cube" >>> your_widget.cost 6 >>> your_widget.is_cheap() True """ # Add your methods here if __name__ == '__main__': import doctest # Uncomment the line below if you prefer to test your examples with doctest # doctest.testmod()arrow_forward
- Design a class named Pet, which should have the following fields: • name. The name field holds the name of a pet. • animal. The animal field holds the type of animal that a pet is. Example values are “Dog”, “Cat”, and “Bird”. • age. The age field holds the pet’s age. The Pet class should also have the following methods: • setName. The setName method stores a value in the name field. • setAnimal. The setAnimal method stores a value in the animal field. • setAge. The setAge method stores a value in the age field. • getName. The getName method returns the value of the name field. • getAnimal. The getAnimal method returns the value of the animal field. • getAge. The getAge method returns the value of the age field. Write the Java code for the Pet class and demonstrate it.arrow_forwardRectangle Object Monitoring Create a Rectangle class that can compute the total area of all the created rectangle objects using static fields (variables). Remember that a Rectangle has two attributes: Length and Width. Implement the class by creating a computer program that will ask the user about three rectangle dimensions. The program should be able to display the total area of the three rectangle objects. For this exercise, you are required to apply all OOP concepts that you learned in class. Sample output: Enter Length R1: 1 Enter Width R1: 1 Enter Length R2: 2 Enter Width R2: 2 Enter Length R3: 3 Enter Width R3: 3 The total area of the rectangles is 14.00 Note: All characters in boldface are user inputs.arrow_forward5.Fruit class:First create a Fruit class that contains code common to all of the fruits.1. Fruit class has two data fields called color and seed.2. A private data field called season. 3. Three constants named SUMMER, WINTER, and AUTUMN to denote the season.4. The accessor and mutator methods for all three data fields.Apple class:Apple class is a subclass of Fruit. 1. Write a class called Apple which extends the Fruit class.2. Apples are produced in Winter season.3. Declare a data field called varieties. There are three varieties:a. Ciderb. Cookingc. Dessert 4. A method named toString () that returns a string description for the Apple. Mango class:Mango class is a subclass of Fruit. 1. Write a class called Mango which extends the Fruit class.2. Mangoes are produced in Summer season.3. Declare a data field called propagation. There are two ways:a. graftingb. budding 4. A method named toString () that returns a string description for the Mango. UML Diagram:Draw a UML diagram including all…arrow_forward
- Exercise 1-Account class • Design a class named Account that contains : • A private int data field named id for the account • A private double data field named balance for the account • A privet Date data field named dateCreated that stores the date when the account was created • A no-arg constructor that creates a default account • A constructor that creates an account with the specified id and initial balance • The getters (i.e., accessors) and setters (i.e., mutators) methods for id and balance • The getter method for dateCreated • A method named withdraw that withdraws a specified amount from the account • A method named deposit that deposits a specified amount to the accountarrow_forwardFocus on classes, objects, methods and good programming style Your task is to create a BankAccount class. Class name BankAccount Attributes _balance float _pin integer Methods init () get_pin() check pin () deposit () withdraw () get_balance () The bank account will be protected by a 4-digit pin number (i.e. between 1000 and 9999). The pin should be generated randomly when the account object is created. The initial balance should be 0. get_pin () should return the pin. check_pin (pin) should check the argument against the saved pin and return True if it matches, False if it does not. deposit (amount) should receive the amount as the argument, add the amount to the account and return the new balance. withraw (amount) should check if the amount can be withdrawn (not more than is in the account), If so, remove the argument amount from the account and return the new balance if the transaction was successful. Return False if it was not. get_balance () should return the current balance.…arrow_forwardAssignment:The BankAccount class models an account of a customer. A BankAccount has the followinginstance variables: A unique account id sequentially assigned when the Bank Account is created. A balance which represents the amount of money in the account A date created which is the date on which the account is created.The following methods are defined in the BankAccount class: Withdraw – subtract money from the balance Deposit – add money to the balance Inquiry on:o Balanceo Account ido Date createdarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
EBK JAVA PROGRAMMINGComputer ScienceISBN:9781337671385Author:FARRELLPublisher:CENGAGE LEARNING - CONSIGNMENT
Microsoft Visual C#Computer ScienceISBN:9781337102100Author:Joyce, Farrell.Publisher:Cengage Learning,
Programming Logic & Design ComprehensiveComputer ScienceISBN:9781337669405Author:FARRELLPublisher:Cengage
C++ Programming: From Problem Analysis to Program...Computer ScienceISBN:9781337102087Author:D. S. MalikPublisher:Cengage Learning
EBK JAVA PROGRAMMING
Computer Science
ISBN:9781337671385
Author:FARRELL
Publisher:CENGAGE LEARNING - CONSIGNMENT
Microsoft Visual C#
Computer Science
ISBN:9781337102100
Author:Joyce, Farrell.
Publisher:Cengage Learning,
Programming Logic & Design Comprehensive
Computer Science
ISBN:9781337669405
Author:FARRELL
Publisher:Cengage
C++ Programming: From Problem Analysis to Program...
Computer Science
ISBN:9781337102087
Author:D. S. Malik
Publisher:Cengage Learning
Introduction to Classes and Objects - Part 1 (Data Structures & Algorithms #3); Author: CS Dojo;https://www.youtube.com/watch?v=8yjkWGRlUmY;License: Standard YouTube License, CC-BY