Starting Out with Java: From Control Structures through Objects (6th Edition)
6th Edition
ISBN: 9780133957051
Author: Tony Gaddis
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
Learn your wayIncludes step-by-step video
schedule03:16
Students have asked these similar questions
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_ _
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…
Chapter 8 Solutions
Starting Out with Java: From Control Structures through Objects (6th Edition)
Ch. 8.1 - What is the difference between an instance field...Ch. 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
Figure 4-3212 shows a class list for Millennium College. Convert this user view to a set of 3NF relations using...
Modern Database Management
Fix the bug in the code in the earlier subsection "Tracing Variables."
Absolute Java (6th Edition)
Design a function to compare the contents of two stacks.
Computer Science: An Overview (12th Edition)
What is a source program? What is an object program?
Problem Solving with C++ (10th Edition)
For each of the following activities, give a PEAS description of the task environment and characterize it in te...
Artificial Intelligence: A Modern Approach
If a class is named MyClass and it has a constructor, what is the constructor named? If MyClass has a destructo...
Problem Solving with C++ (9th Edition)
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
- 2. 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_forwardCircle ClassWrite a Circle class that has the following fields:• radius: a double• PI: a final double initialized with the value 3.14159The class should have the following methods:• Constructor. Accepts the radius of the circle as an argument.• Constructor. A no-arg constructor that sets the radius field to 0.0.• setRadius. A mutator method for the radius field.• getRadius. An accessor method for the radius field.• area. Returns the area of the circle, which is calculated asarea = PI * radius * radius• diameter. Returns the diameter of the circle, which is calculated asdiameter = radius * 2• circumference. Returns the circumference of the circle, which is calculated ascircumference = 2 * PI * radiusWrite a program that demonstrates the Circle class by asking the user for the circle’s radius, creating a Circle object, and then reporting the circle’s area, diameter, and circumference.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
- 2. Car Class Write a class named Car that has the following data attributes: _ _year_model (for the car’s year model) _ _make (for the make of the car) _ _speed (for the car’s current speed) The Car class should have an _ _init_ _ method that accepts the car’s year model and make as arguments. These values should be assigned to the object’s _ _year_model and _ _make data attributes. It should also assign 0 to the _ _speed data attribute. The class should also have the following methods: accelerate The accelerate method should add 5 to the speed data attribute each time it is called. brake The brake method should subtract 5 from the speed data attribute each time it is called. get_speed The get_speed method should return the current speed. Next, design a program that creates a Car object then calls the accelerate method five times. After each call to the accelerate method, get the current speed of the car and display it. Then call the brake method five times. After…arrow_forward2. Car Class Write a class named Car that has the following data attributes: _ _year_model (for the car’s year model) _ _make (for the make of the car) _ _speed (for the car’s current speed) The Car class should have an _ _init_ _ method that accepts the car’s year model and make as arguments. These values should be assigned to the object’s _ _year_model and _ _make data attributes. It should also assign 0 to the _ _speed data attribute. The class should also have the following methods: accelerate The accelerate method should add 5 to the speed data attribute each time it is called. brake The brake method should subtract 5 from the speed data attribute each time it is called. get_speed The get_speed method should return the current speed. Next, design a program that creates a Car object then calls the accelerate method five times. After each call to the accelerate method, get the current speed of the car and display it. Then call the brake method five times. After each call to the…arrow_forwardNewspaperSubscriber 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_forward
- Rectangle 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_forwardTrue or false: Just as a class can have multiple constructors, it can also have multiple destructors.arrow_forwardPython Programming1.Write a class named Car that has the following data attributes:(a.) __year_model (for the car’s year model)__make (for the make of the car)__speed (for the car’s current speed)The Car class should have an __init__ method that accepts the car’s year model and make as arguments. These values should be assigned to the object’s __year_model and __make data attributes. It should also assign 0 to the __speed data attribute.The class should also have the following methods:(b). Accelerate: The accelerate method should add 5 to the speed data attribute each time it is called.Brake: The brake method should subtract 5 from the speed data attribute each time it is called.get_speed: The get_speed method should return the current speedarrow_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_forwardAssignment - LocationsFor this assignment, we will be creating our location class and then a few locations to subclass from it. Most of these classes will be rather short so you can put them all in locations.py if you would likeCreate the Location classCreate the Town classCreate the Palace and Lumbermill classes Location ClassThe Location class establishes the basic properties of a location: manager - holds the character that manages the locationforeColor - holds the fore color of the locationbackColor - holds the back color of the locationEnter() - default method for entering a location. By default, the manager should greet you and all text displayed should use the foreColor and backColor of the location.Exit() - default method for leaving a location. By default, the manager should say bye to you and all text displayed should use the foreColor and backColor of the location.Upkeep() - default method that is called when time is advanced Town ClassThe Town class will inherit from the…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
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Programming Logic & Design ComprehensiveComputer ScienceISBN:9781337669405Author:FARRELLPublisher:Cengage
EBK JAVA PROGRAMMINGComputer ScienceISBN:9781337671385Author:FARRELLPublisher:CENGAGE LEARNING - CONSIGNMENT
Programming Logic & Design Comprehensive
Computer Science
ISBN:9781337669405
Author:FARRELL
Publisher:Cengage
EBK JAVA PROGRAMMING
Computer Science
ISBN:9781337671385
Author:FARRELL
Publisher:CENGAGE LEARNING - CONSIGNMENT
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