![Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)](https://www.bartleby.com/isbn_cover_images/9780134787961/9780134787961_smallCoverImage.jpg)
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
Expert Solution & Answer
Chapter 10, Problem 20MC
Program Description Answer
An interface with “only one abstract method” is called as functional interface.
Hence, the correct answer is option “A”.
Expert Solution & Answer
![Check Mark](/static/check-mark.png)
Want to see the full answer?
Check out a sample textbook solution![Blurred answer](/static/blurred-answer.jpg)
Students have asked these similar questions
This is object oriented programming
in C++
in java
Chapter 10 Solutions
Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)
Ch. 10.1 - Here is the first line of a class declaration....Ch. 10.1 - Look at the following class declarations and...Ch. 10.1 - Class B extends class A. (Class A is the...Ch. 10.2 - Prob. 10.4CPCh. 10.2 - Look at the following classes: public class Ground...Ch. 10.3 - Under what circumstances would a subclass need to...Ch. 10.3 - How can a subclass method call an overridden...Ch. 10.3 - If a method in a subclass has the same signature...Ch. 10.3 - If a method in a subclass has the same name as a...Ch. 10.3 - Prob. 10.10CP
Ch. 10.4 - When a class member is declared as protected, what...Ch. 10.4 - What is the difference between private members and...Ch. 10.4 - Why should you avoid making class members...Ch. 10.4 - Prob. 10.14CPCh. 10.4 - Why is it easy to give package access to a class...Ch. 10.6 - Look at the following class definition: public...Ch. 10.6 - When you create a class, it automatically has a...Ch. 10.7 - Recall the Rectangle and Cube classes discussed...Ch. 10.8 - Prob. 10.19CPCh. 10.8 - If a subclass extends a superclass with an...Ch. 10.8 - What is the purpose of an abstract class?Ch. 10.8 - If a class is defined as abstract, what can you...Ch. 10.9 - Prob. 10.23CPCh. 10.9 - Prob. 10.24CPCh. 10.9 - Prob. 10.25CPCh. 10.9 - Prob. 10.26CPCh. 10.9 - Prob. 10.27CPCh. 10.9 - Prob. 10.28CPCh. 10 - In an inheritance relationship, this is the...Ch. 10 - In an inheritance relationship, this is the...Ch. 10 - This key word indicates that a class inherits from...Ch. 10 - A subclass does not have access to these...Ch. 10 - This key word refers to an objects superclass. a....Ch. 10 - In a subclass constructor, a call to the...Ch. 10 - The following is an explicit call to the...Ch. 10 - A method in a subclass that has the same signature...Ch. 10 - A method in a subclass having the same name as a...Ch. 10 - These superclass members are accessible to...Ch. 10 - Prob. 11MCCh. 10 - With this type of binding, the Java Virtual...Ch. 10 - This operator can be used to determine whether a...Ch. 10 - When a class implements an interface, it must...Ch. 10 - Prob. 15MCCh. 10 - Prob. 16MCCh. 10 - Abstract classes cannot ___________. a. be used as...Ch. 10 - You use the __________ operator to define an...Ch. 10 - Prob. 19MCCh. 10 - Prob. 20MCCh. 10 - You can use a lambda expression to instantiate an...Ch. 10 - True or False: Constructors are not inherited.Ch. 10 - True or False: in a subclass, a call to the...Ch. 10 - True or False: If a subclass constructor does not...Ch. 10 - True or False: An object of a superclass can...Ch. 10 - True or False: The superclass constructor always...Ch. 10 - True or False: When a method is declared with the...Ch. 10 - True or False: A superclass has a member with...Ch. 10 - True or False: A superclass reference variable can...Ch. 10 - True or False: A subclass reference variable can...Ch. 10 - True or False: When a class contains an abstract...Ch. 10 - True or False: A class may only implement one...Ch. 10 - True or False: By default all members of an...Ch. 10 - // Superclass public class Vehicle { (Member...Ch. 10 - // Superclass public class Vehicle { private...Ch. 10 - // Superclass public class Vehicle { private...Ch. 10 - // Superclass public class Vehicle { public...Ch. 10 - Write the first line of the definition for a...Ch. 10 - Look at the following code, which is the first...Ch. 10 - Write the declaration for class B. The classs...Ch. 10 - Write the statement that calls a superclass...Ch. 10 - A superclass has the following method: public void...Ch. 10 - A superclass has the following abstract method:...Ch. 10 - Prob. 7AWCh. 10 - Prob. 8AWCh. 10 - Look at the following interface: public interface...Ch. 10 - Prob. 1SACh. 10 - A program uses two classes: Animal and Dog. Which...Ch. 10 - What is the superclass and what is the subclass in...Ch. 10 - What is the difference between a protected class...Ch. 10 - Can a subclass ever directly access the private...Ch. 10 - Which constructor is called first, that of the...Ch. 10 - What is the difference between overriding a...Ch. 10 - Prob. 8SACh. 10 - Prob. 9SACh. 10 - Prob. 10SACh. 10 - What is an. abstract class?Ch. 10 - Prob. 12SACh. 10 - When you instantiate an anonymous inner class, the...Ch. 10 - Prob. 14SACh. 10 - Prob. 15SACh. 10 - Employee and ProductionWorker Classes Design a...Ch. 10 - ShiftSupervisor Class In a particular factory, a...Ch. 10 - TeamLeader Class In a particular factory, a team...Ch. 10 - Essay Class Design an Essay class that extends the...Ch. 10 - Course Grades In a course, a teacher gives the...Ch. 10 - Analyzable Interface Modify the CourseGrades class...Ch. 10 - Person and Customer Classes Design a class named...Ch. 10 - PreferredCustomer Class A retail store has a...Ch. 10 - BankAccount and SavingsAccount Classes Design an...Ch. 10 - Ship, CruiseShip, and CargoShip Classes Design a...
Knowledge Booster
Similar questions
- The method add is called within the code for the methods __init__ and __add__ in the AbstractBag class, but it is not defined in that class. To which class does this method belong, and how does Python locate its implementation? *Pythonarrow_forwardDefine an interface as follows: Interface Bicycle { // wheel revolutions per minute void changeCadence(int newValue); //will change value of candence to new value void changeGear (int newValue); changes gear of car void speedUp(int increment); //increments speed of car by adding new Value to existing speed void applyBrakes(int decrement); }//decease car speed by subtracting value from speed. To implement this interface, the name of your class would change (to a particular brand of bicycle, for example, such as ACMEBicycle, KEYOBicycle), and you'd use the implements keyword in the class declaration: class ACMEBicycle implements Bicycle{ int cadence = 0; int speed = 0; int gear = 1; //methods of interface } These clases will implements the abstract method of interface and provide definitions according to them. Now in main class you will ask user what kind of bicycle he/she wants create object of that class, then asks user for options 1. Change cadence 2. Change gear 3. Speed…arrow_forwardIf myObject is an object in Java, we get its ____ from its member variables and its _____ from its methods.arrow_forward
- Pythonarrow_forwardWhen a method in a subclass overrides a method in superclass, it is still possible to call the overridden method using super keyword. If you write super.func() to call the function func(), it will call the method that was defined in the superclass. You are given a partially completed code in the editor. Modify the code so that the code prints the following text: Hello I am a motorcycle, I am a cycle with an engine. My ancestor is a cycle who is a vehicle with pedals. import java.util.*;import java.io.*; class BiCycle{String define_me(){return "a vehicle with pedals.";}} class MotorCycle extends BiCycle{String define_me(){return "a cycle with an engine.";}MotorCycle(){System.out.println("Hello I am a motorcycle, I am "+ define_me()); //////code hereString temp=define_me(); //Fix this line and code here/////code ends here System.out.println("My ancestor is a cycle who is "+ temp );}}class Solution{public static void main(String []args){MotorCycle M=new MotorCycle();}}arrow_forwardA library wants to manage its collection of books and authors more efficiently. They would like to create a Python program to help with this task. The following requirements need to be implemented: Create an Author class with the attributes: name, dob (date of birth), and nationality. The class should have a __str__ method to represent the author in a user-friendly format. Create a Book class with the following attributes: title, author (an instance of the Author class), publication_date, and price. Also, include a class variable all_books that keeps a list of all book instances created.The Book class should have: A __str__ method to represent the book in a user-friendly format. A __eq__ method to compare two books. Two books are considered the same if they have the same title and author. A __lt__ method to compare two books based on their publication dates. A class method get_all_books that returns a list of all books in the library. A static method most_expensive_book that takes…arrow_forward
- A library wants to manage its collection of books and authors more efficiently. They would like to create a Python program to help with this task. The following requirements need to be implemented: Create an Author class with the attributes: name, dob (date of birth), and nationality. The class should have a __str__ method to represent the author in a user-friendly format. Create a Book class with the following attributes: title, author (an instance of the Author class), publication_date, and price. Also, include a class variable all_books that keeps a list of all book instances created.The Book class should have: A __str__ method to represent the book in a user-friendly format. A __eq__ method to compare two books. Two books are considered the same if they have the same title and author. A __lt__ method to compare two books based on their publication dates. A class method get_all_books that returns a list of all books in the library. A static method most_expensive_book that takes…arrow_forwardjava programming Robot Class : a robot has a name , located at a point with integer coordinates , faces north , east , south , or west and keeps a record of all its movements positions . The class has the following methods : A default constructor that initializes robot's name to " Unknown ” , location to ( 0,0 ) , direction to North , and travelled distance to 0 , and simulated movements to null . A constructor that given robot's name , starting location , and facing direction , Accessor methods to access all the instance variables and the simulated movements of the robot Mutator methods that change the instance variables to given values and they made the change for only suitable values . tumLeft and turn Right methods that change the direction of the robot but not the location move method that moves the robot by one unit in the direction it is facing . get Travelled Distance method that retums how many units has the robot moved .arrow_forwardSoftware Requirements: • Latest version of NetBeans IDE • Java Development Kit (JDK) 8 Procedure: 1. Create a public class named Monday. This class shall contain the main method. 2. Define an interface (without a modifier) named Alarm. This interface shall contain two (2) void methods named setAlarm() and showAlarm(). The setAlarm() method has a String parameter named time. 3. Add two (2) classes without modifiers named Weekday (abstract) and Monday. 4. For the Weekday class, implement the Alarm interface. Leave this class empty. 5. Set Weekday as the parent of Monday. Import Scanner from java.util and LocalTime from java.time. For showAlarm(), add these two (2) statements: LocalTime alarm = LocalTime .parse(time); LocalTime now = LocalTime.now(); Explanation: parse() converts String to time, while now() obtains the current time. 7. The output shall ask the user to enter the time for the alarm. If the time entered is past the current time, then display "Alarm is set for tomorrow!";…arrow_forward
- Focus on classes, objects, methods and good programming style. Program has to be written in basic python. 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). Thepin should be generated randomly when the account object is created. The initial balance shouldbe 0.get_pin()should return the pin.check_pin(pin) should check the argument against the saved pin and return True if itmatches, False if it does not.deposit(amount) should receive the amount as the argument, add the amount to the accountand return the new…arrow_forwardInteractive Mathematics Lab is working on computing new formulas for mathematical calculations. You are working as research programmer and your duty to provide programming support to the researchers working in the lab. One of the researchers is stuck in evaluation Thevenin’s Theorem, he asked you to evaluate the equation using object-oriented concepts. Your task is to create a class Thevenin with ● 4 data members voltage (VTH), Thevenis Resistance (RTH), Load Resistance (RL) & Total Current (IT) ● A member function input ( ) to take the values of the data members ● Design a friend function to calculate the value of Total Current Hint : IT=Vth/(Rth+RL). Subject:(OOP)arrow_forwardPlease 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…arrow_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,Programming Logic & Design ComprehensiveComputer ScienceISBN:9781337669405Author:FARRELLPublisher:CengageEBK JAVA PROGRAMMINGComputer ScienceISBN:9781337671385Author:FARRELLPublisher:CENGAGE LEARNING - CONSIGNMENT
- C++ Programming: From Problem Analysis to Program...Computer ScienceISBN:9781337102087Author:D. S. MalikPublisher:Cengage LearningC++ for Engineers and ScientistsComputer ScienceISBN:9781133187844Author:Bronson, Gary J.Publisher:Course Technology Ptr
![Text book image](https://www.bartleby.com/isbn_cover_images/9781337102100/9781337102100_smallCoverImage.gif)
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
![Text book image](https://www.bartleby.com/isbn_cover_images/9781337671385/9781337671385_smallCoverImage.jpg)
EBK JAVA PROGRAMMING
Computer Science
ISBN:9781337671385
Author:FARRELL
Publisher:CENGAGE LEARNING - CONSIGNMENT
![Text book image](https://www.bartleby.com/isbn_cover_images/9781337102087/9781337102087_smallCoverImage.gif)
C++ Programming: From Problem Analysis to Program...
Computer Science
ISBN:9781337102087
Author:D. S. Malik
Publisher:Cengage Learning
![Text book image](https://www.bartleby.com/isbn_cover_images/9781133187844/9781133187844_smallCoverImage.gif)
C++ for Engineers and Scientists
Computer Science
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Course Technology Ptr