Starting Out with Java: Early Objects (6th Edition)
6th Edition
ISBN: 9780134462011
Author: Tony Gaddis
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
thumb_up100%
Chapter 9, Problem 9MC
A method in a subclass having the same name as a method in the superclass but a different signature is an example of __________.
- a. overloading
- b. overriding
- c. composition
- d. an error
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A class that is not intended to be instantiated, but used only as a base class, is called a(n) __________. a. dummy class b. subclass c. virtual class d. abstract class
IN JAVA PLEASE
Child Class: Vegetable
Write a child class called Vegetable. A vegetable is described by a name, the number of grams of sugar (as a whole number), the number of grams of sodium (as a whole number), and whether or not the vegetable is a starch.
For the Vegetable class, write:
the complete class header
the instance data variables
a constructor that sets the instance data variables based on parameters
getters and setters; use instance data variables where appropriate
a toString method that returns a text representation of a Vegetable object that includes all four characteristics of the vegetable
Please help with the following: C# .NET
change the main class so that the user is the one that as to put the name in other words. Write a driver class that prompts for the person’s data input, instantiates an object of class HealtProfile and displays the patient’s information from that object by calling the DisplayHealthRecord, method.
MAIN CLASS----------------------
static void Main(string[] args) { // Instance created holding 6 parameters which are field with value HealthProfile heartRate = new HealthProfile("James","Kill",1978, 79.5 ,175.5, 2021 ); heartRate.DisplayPatientRecord();// call the patient record method }
CLASS HeartProfile-------------------
public class HealthProfile { // attibutes which holds the following value private String _FirstName; private String _LastName; private int _BirthYear; private double _Height; private double _Weigth; private int _CurrentYear; public HealthProfile(string firstName, string lastName, int birthYear, double height, double wt, int…
Chapter 9 Solutions
Starting Out with Java: Early Objects (6th Edition)
Ch. 9.1 - Here is the first line of a class declaration....Ch. 9.1 - Look at the following class declarations and...Ch. 9.1 - Class B extends class A. (Class A is the...Ch. 9.2 - Prob. 9.4CPCh. 9.2 - Look at the following classes: public class Ground...Ch. 9.3 - Under what circumstances would a subclass need to...Ch. 9.3 - How can a subclass method call an overridden...Ch. 9.3 - If a method in a subclass has the same signature...Ch. 9.3 - If a method in a subclass has the same name as a...Ch. 9.3 - Prob. 9.10CP
Ch. 9.4 - When a class member is declared as protected, what...Ch. 9.4 - What is the difference between private members and...Ch. 9.4 - Why should you avoid making class members...Ch. 9.4 - Prob. 9.14CPCh. 9.4 - Why is it easy to give package access to a class...Ch. 9.6 - Look at the following class definition: public...Ch. 9.6 - When you create a class, it automatically has a...Ch. 9.7 - Recall the Rectangle and Cube classes discussed...Ch. 9.8 - Prob. 9.19CPCh. 9.8 - If a subclass extends a superclass with an...Ch. 9.8 - What is the purpose of an abstract class?Ch. 9.8 - If a class is defined as abstract, what can you...Ch. 9.9 - Prob. 9.23CPCh. 9.9 - Prob. 9.24CPCh. 9.9 - Prob. 9.25CPCh. 9.9 - Prob. 9.26CPCh. 9.9 - Prob. 9.27CPCh. 9.9 - Prob. 9.28CPCh. 9 - In an inheritance relationship, this is the...Ch. 9 - In an inheritance relationship, this is the...Ch. 9 - This key word indicates that a class inherits from...Ch. 9 - A subclass does not have access to these...Ch. 9 - This key word refers to an objects superclass. a....Ch. 9 - In a subclass constructor, a call to the...Ch. 9 - The following is an explicit call to the...Ch. 9 - A method in a subclass that has the same signature...Ch. 9 - A method in a subclass having the same name as a...Ch. 9 - These superclass members are accessible to...Ch. 9 - Prob. 11MCCh. 9 - With this type of binding, the Java Virtual...Ch. 9 - Prob. 13MCCh. 9 - Prob. 14MCCh. 9 - Prob. 15MCCh. 9 - Abstract classes cannot ___________. a. be used as...Ch. 9 - You use the __________ operator to define an...Ch. 9 - Prob. 18MCCh. 9 - Prob. 19MCCh. 9 - You can use a lambda expression to instantiate an...Ch. 9 - True or False: Constructors are not inherited.Ch. 9 - True or False: in a subclass, a call to the...Ch. 9 - True or False: If a subclass constructor does not...Ch. 9 - True or False: An object of a superclass can...Ch. 9 - True or False: The superclass constructor always...Ch. 9 - True or False: When a method is declared with the...Ch. 9 - True or False: A superclass has a member with...Ch. 9 - True or False: A superclass reference variable can...Ch. 9 - True or False: A subclass reference variable can...Ch. 9 - True or False: When a class contains an abstract...Ch. 9 - True or False: A class may only implement one...Ch. 9 - True or False: By default all members of an...Ch. 9 - // Superclass public class Vehicle { (Member...Ch. 9 - // Superclass public class Vehicle { private...Ch. 9 - // Superclass public class Vehicle { private...Ch. 9 - // Superclass public class Vehicle { public...Ch. 9 - Write the first line of the definition for a...Ch. 9 - Look at the following code, which is the first...Ch. 9 - Write the declaration for class B. The classs...Ch. 9 - Write the statement that calls a superclass...Ch. 9 - A superclass has the following method: public void...Ch. 9 - A superclass has the following abstract method:...Ch. 9 - Prob. 7AWCh. 9 - Prob. 8AWCh. 9 - Look at the following interface: public interface...Ch. 9 - Prob. 1SACh. 9 - A program uses two classes: Animal and Dog. Which...Ch. 9 - What is the superclass and what is the subclass in...Ch. 9 - What is the difference between a protected class...Ch. 9 - Can a subclass ever directly access the private...Ch. 9 - Which constructor is called first, that of the...Ch. 9 - What is the difference between overriding a...Ch. 9 - Prob. 8SACh. 9 - Prob. 9SACh. 9 - Prob. 10SACh. 9 - What is an. abstract class?Ch. 9 - Prob. 12SACh. 9 - When you instantiate an anonymous inner class, the...Ch. 9 - Prob. 14SACh. 9 - Prob. 15SACh. 9 - Employee and ProductionWorker Classes Design a...Ch. 9 - ShiftSupervisor Class In a particular factory, a...Ch. 9 - TeamLeader Class In a particular factory, a team...Ch. 9 - Essay Class Design an Essay class that extends the...Ch. 9 - Course Grades In a course, a teacher gives the...Ch. 9 - Analyzable Interface Modify the CourseGrades class...Ch. 9 - Person and Customer Classes Design a class named...Ch. 9 - PreferredCustomer Class A retail store has a...Ch. 9 - BankAccount and SavingsAccount Classes Design an...Ch. 9 - Ship, CruiseShip, and CargoShip Classes Design a...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
A(n) ________ is a function or method that is called when a specific event occurs. a. callback function b. auto...
Starting Out with Python (3rd Edition)
Revise the loop shown in Listing 4.6 to use a break statement instead of the boolean variable areMore. Comment ...
Java: An Introduction to Problem Solving and Programming (7th 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
Suppose your code creates an object of the class Scanner named keyboard (as described in this chapter). Write c...
Absolute Java (6th Edition)
The following program creates a linked list with three names: #include iostream #include string using namespace...
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
- solve in python Street ClassStep 1:• Create a class to store information about a street:• Instance variables should include:• the street name• the length of the street (in km)• the number of cars that travel the street per day• the condition of the street (“poor”, “fair”, or “good”).• Write a constructor (__init__), that takes four arguments corresponding tothe instance variables and creates one Street instance. Street ClassStep 2:• Add additional methods:• __str__• Should return a string with the Street information neatly-formatted, as in:Elm is 4.10 km long, sees 3000 cars per day, and is in poor condition.• compare:• This method should compare one Street to another, with the Street the method is calledon being compared to a second Street passed to a parameter.• Return True or False, indicating whether the first street needs repairs more urgently thanthe second.• Streets in “poor” condition need repairs more urgently than streets in “fair” condition, whichneed repairs more…arrow_forwardYou have a method that requires an argument that is an instance of the superclass, and it expects you to provide it. It will function properly if you provide it with an object of a subclass rather than a superclass. Is it even possible? Where is the value in that?arrow_forwardCreate a class student and then create an object of this class and work with it. Idfirst namelast namegradesdate of birthfield of studyenrolled coursesenrolled semester using constructors, setters-getters in JAVA programmingID must be generatedarrow_forward
- Classes URGENT hmui FOR JAVA Write a class about a book which has following properties: • isbn • price • titleIn a Test class we are supposed to create objects as below: Book b1= new Book(); Book b2= new Book(544444, “Java”); Book b3= new Book(54444444, C++, 5.6); Book b4= new Book (“Python, 7.9, 8888899988); and we are supposed to print objects with the following statement: 5. System.out.println(b3); The the output should be:“Title of the book is C++, ISBN is 54444444”, price is 5.6 TL Now complete the Book class that enable to execute statements that mentioned in the Test class. Except the 5 items that mention above, please test: 6. Test the f(n) with 2 different numbers 7. Update the price of the b4 object.8. Test the Q3 method.m.arrow_forwardWrite a Java program that implements the following classes: Show - name: String - timesWatched: int - rate: double - maxRate: int =5 + Show() + Show(name: String) + getName(): String + setName(name:String):void + getRate(): double + getTimesWatched(): int + getMaxRate(): int + updateRate(): void + toString(): String Movie Series - duration: int - productionYear: int + Movie() + Movie(name: String, duration: int, productionYear:int) + toString(): String + getDuration(): int + getProductionYear(): int - numOfEpisodes: int episodeDuration: int + Series() + Series(name: String, numOfEpisodes:int, episodeDuration: int) + toString():String + getNumOfEpisodes(): int + getEpisodeDuration(): int In the Show class: - The timesWatched and rate must be initialized to zero. - The no-arg constructor reads the name from the user. - The Show(name: String) constructor initializes the data field name with the value of the passed parameter пате. - The updateRate method reads the user rate and re-computes…arrow_forwardYou have a method which requires an argument of type superclass. It will function if you supply a subclass object rather than a superclass object. Is it permissible? What is the purpose?arrow_forward
- Create a TeeShirt class for Toby’s Tee Shirt Company. Fields include: orderNumber - of type int size - of type String color - of type String price - of type double Create set methods for the order number, size, and color and get methods for all four fields. The price is determined by the size: $22.99 for XXL or XXXL, and $19.99 for all other sizes. Create a subclass named CustomTee that descends from TeeShirt and includes a field named slogan (of type String) to hold the slogan requested for the shirt, and include get and set methods for this field.arrow_forward++1.+Write a class about a book which has following properties: • isbn • price • titleIn a Test class we are supposed to create objects as below: Book b1= new Book(); Book b2= new Book(544444, “Java”); Book b3= new Book(54444444, C++, 5.6); Book b4= new Book (“Python, 7.9, 8888899988); and we are supposed to print objects with the following statement: 5. System.out.println(b3); The the output should be:“Title of the book is C++, ISBN is 54444444”, price is 5.6 TL Now complete the Book class that enable to execute statements that mentioned in the Test class. Except the 5 items that mention above, please test: 6. Test the f(n) with 2 different numbers 7. Update the price of the b4 object.8. Test the Q3 method.m..arrow_forwardCreate a class namely circle and do the following: (i) Circle will have the following member variables: Point - an inner class having two members variables x and y representing the center and radius (a floating-point number) (ii) Crcate a method in the inner class namely getPoint() to print the point (x, y) that represents the circle center. (iii) Write a main method to create 10 random circles with the grid of (10, 10) and (70, 70).arrow_forward
- Write a program in Java that performs the following tasks: Creates a class called Person having attributes personName, personID. Creates a subclass called Student of Person class having attributes stdGPA, stdMajor. Creates a subclass called Teacher of Person class having attributes teacherCourse, teacherSalary. Write the constructors for Person, Student and Teacher class to initialize the attributes(fields). Write a method displayDetails() in Student and Teacher class to print all attributes of superclass and subclass.arrow_forwardWrite a complete Java class that can be used to create a Fish object as described below: A Fish has-a: - name age - type favorite food a) Add all instance variables b) The class must have getters and setters for all instance variables c) The class must have two constructors: a no-args constructor and a constructor that receives all data fields as parameters d) The class must have a toString() e) Add a main method and create 2 Fishes using each of the constructors you createdarrow_forwardCreate an interface named Playable that defines a method play requiring no return value. Play just displays the string “Play me.” Create a class named Instrument that implements playable that contains a private member name but does not implement the play of Playable. a. define setter and getter for name b. define a constructor that accepts a String name argument to be assigned to the name attribute of the class c. override equals of the object for this class d. override toString of an object for this class 3. Implement a concrete subclass of an instrument named Guitar. a. Create a constructor similar to the default constructor provided by the system. See to it that the superclass object is created. b. See to it that the abstract method is also implemented c. override equals of the object for this class d. override toString of the object for this classarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Microsoft Visual C#Computer ScienceISBN:9781337102100Author:Joyce, Farrell.Publisher:Cengage Learning,EBK JAVA PROGRAMMINGComputer ScienceISBN:9781337671385Author:FARRELLPublisher:CENGAGE LEARNING - CONSIGNMENTC++ Programming: From Problem Analysis to Program...Computer ScienceISBN:9781337102087Author:D. S. MalikPublisher:Cengage Learning
- Programming Logic & Design ComprehensiveComputer ScienceISBN:9781337669405Author:FARRELLPublisher:Cengage
Microsoft Visual C#
Computer Science
ISBN:9781337102100
Author:Joyce, Farrell.
Publisher:Cengage Learning,
EBK JAVA PROGRAMMING
Computer Science
ISBN:9781337671385
Author:FARRELL
Publisher:CENGAGE LEARNING - CONSIGNMENT
C++ Programming: From Problem Analysis to Program...
Computer Science
ISBN:9781337102087
Author:D. S. Malik
Publisher:Cengage Learning
Programming Logic & Design Comprehensive
Computer Science
ISBN:9781337669405
Author:FARRELL
Publisher:Cengage
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