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 11MC
Program Description Answer
All classes in Java are directly or indirectly inherited from the class “Object”.
Hence, the correct answer is option “A”.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
246.
The process of forming a new class from an existing class.
a.
Abstraction
b.
Polymorphism
c.
Inheritance
d.
Implementation
Define a Student class, with 3 data fields:
ID: string
Name: string
FavoriteThing: string
Create an application that stores and outputs a list of the students' favorite things. Suppose each student only has one favorite thing.
A class in Java may inherit only from one superclass, but may, in turn, have
any number of subclasses. *
O True
O False
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
- Instructions: Implement the Java class Customer by following the UML class diagram provided below. Implementation details: The class constructor must receive the arguments in the following order: String firstName, String lastName, String address, String cardNumber, int pin, String username The password must be generated inside the class constructor by the class method generatePassword(). The password to be generated must meet the following criteria: Must have at least one numeric character. Must have at least one lowercase character. Must have at least one uppercase character. Must have at least one special symbol among @#$% Password length to be generated is fixed and equal to 12. Do please use SecureRandom() class to achieve randomness during password generation. toString() return value format must be as follows:Customer [firstName='John', lastName='Monkey', cardNumber='11336688', pin='1234', username='j.monkey', password='zF$7zR#1lFAo', address='453 Manin st,…arrow_forwardPLEASE TYPE ONLY*** JAVA PROGRAMMING Program #2: Write a class called YourFirstNameLine that represents a line segment between two Points. Your Line objects should have the following methods: public YourFirstNameLine (Point p1, Point P2): construct a new Line that contains the given two Points public Point getStartPoint(): return this Line’s first endpoint public Point getEndPoint(): return this Line’s second endpoint public String toString(): return a String representation of this Line, such as “[(2,3), (4,7)]” public double getSlope(): return the slope of this Line. The slope of a line between points (x1, y1) and (x2, y2) is equal to (y2-y1)/(x2-x1). If x2 equals x1, the denominator is zero and the slope is undefined, so you may return a zero in this case public void draw (Graphics g): draw a line in a DrawingPanel. Write a client class called YourFirstNameLineTest with main method to test your Line class. In the main method, you need create a line object with the last four…arrow_forwardDefine a class called Quiz that manages a set of up to 25 Question objects. Define the add method of the Quiz class to add a question to a quiz. Define the give Quiz method of the Quiz class to present each question in turn to the user, accept an answer for each one, and keep track of the results. Define a class called Quiz Time with a main method that populates a quiz, presents it, and prints the final results. Note: Use Javaarrow_forward
- User-Defined Classes: In Java, Design and implement the class Day thst implrmntd the dsy of the week in a program. The class Day should store the day of the week, such as, Sun for Sunday. The program should be able to perform the following operations on an object of type Day: 1. Set the day 2. Print the day 3. Return the next day 5. Return the previous day 6. Calculate and return the day by adding certian days to the current day. For examole, if the current day is Monday and we add four days, the day to be returned is Friday. Similarly, if today is Tuesday and we add 13 days , the day to be returned is Monday 7. Add appropriate constructors. 8. Write the definitons of the methods to implement the operations for the class Day, as defined in a through g. 9. Write a program to test various operaions on the class Day.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 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 of patient record with each of the 4 parameters taking in a value HeartRates heartRate = new HeartRates("James", "Kill", 1988, 2021); heartRate.DisplayPatientRecord(); // call the method to display The Patient Record } CLASS HeartRATES------------------- class HeartRates { //class attributes private private string _First_Name; private string _Last_Name; private int _Birth_Year; private int _Current_Year; // Constructor which receives private parameters to initialize variables public HeartRates(string First_Name, string Last_Name, int Birth_Year, int Current_Year) { _First_Name = First_Name;…arrow_forward1. Object-Oriented concept 2. Interface 3. Inheritance 4. Use scanner class Write a code that converts binary to decimal and decimal to binary, Hexadecimal to decimal. Then by using the arithmetic equation add, subtract, multiply, divide binary numbers as well as a decimal number. It is a must to use object-oriented concepts. you can use Integer.toBinaryString(), Integer.parseInt()arrow_forward
- Program 1: Extend the example given in creating your own class to accommodate 2 more objects. use java programmingarrow_forwardA derived class methods of another class. Select one: O a. inherits O b. overrides O c. declares O d. extendsarrow_forwardClasses and Objects) Hand-write a complete Java class that can be used to create a Car object as described below. a. A Vehicle has-a: i. Registration number ii. Owner name iii. Price iv. Year manufactured b. Add all instance variables C. The class must have getters and setters for all instance variables d. The class must have two constructors, a no-args and a constructor that receives input parameters for each instance variable.arrow_forward
- Java. Create a new class FruitBasket that will store fruit objects in a basket. Starter code. import java.util.*; public class Fruit{//attributesprotected String name = null;protected String colour = null; //constructorpublic Fruit(String name, String colour){this.name = name;this.colour = colour;} //Getterspublic String getName(){return name;}public String getColour(){return colour;}//Setterspublic void setName(String name){this.name = name;}public void setColour(String colour){this.colour = colour;} public String toString(){String fruitDetails = name+" ("+colour+")";return fruitDetails;}} import java.util.*; public class FruitBasket{ public String toString(){String basketContents = "FRUIT BASKET:\n";for (Fruit fruit: basket) {basketContents += fruit.toString()+"\n";}return basketContents;}} import java.util.*; public class PoD { public static void main( String [] args ) {Scanner in = new Scanner( System.in );FruitBasket fruitBasket = new FruitBasket();…arrow_forwardHomestay Booking Application User Log in Type of House with price No Check Date? Yes No Yes Proceed Insert Person Order? Details Made Payment Log outarrow_forwardPolymorphism in Java is Select one: a.when a program uses several different types of objects, each with its own variable. b.when a single variable is used with several different types of related objects in a program. c.when a single parent class has many child classes The following code fragment is polymorphic: for(Shape shape : shapes) if(shape instanceof Circle) { Circle c = (Circle) shape; // cast to a circle c.draw(g); // call the circle's draw method } else if(shape instanceof Rect) { Rect r = (Rect) shape; r.draw(g); } True or False The following code fragment is polymorphic: for(Shape shape : shapes) shape.draw(g) True or Falsearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- EBK JAVA PROGRAMMINGComputer ScienceISBN:9781337671385Author:FARRELLPublisher:CENGAGE LEARNING - CONSIGNMENTProgramming Logic & Design ComprehensiveComputer ScienceISBN:9781337669405Author:FARRELLPublisher:Cengage
EBK JAVA PROGRAMMING
Computer Science
ISBN:9781337671385
Author:FARRELL
Publisher:CENGAGE LEARNING - CONSIGNMENT
Programming Logic & Design Comprehensive
Computer Science
ISBN:9781337669405
Author:FARRELL
Publisher:Cengage