Find the error in the following code segment:12 |/ Superclass3 public abstract class Vehicle4- {public abstract double getKMPerlitre();7(Other methods . ..)8 }101112 // Subclass13 public class Car extends Vehicle14- {15private int distance;16public int getKMPerlitre(){return distance;}1718-19202122(Other methods.)23 }24a. public abstract double getKMPerLitre(); should not end with a semicolon.O b. The getKMPerLitre method in the Car class should return a double.O c. The Car class cannot extend Vehicle class.O d. The Vehicle class should not be abstract.

Answered: // Superclass public abstract class…

// Superclass public abstract class Vehicle { public abstract double getKMPerlitre(); (Other methods . . .) } // Subclass public class Car extends Vehicle private int distance;

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Related questions

Q: Does any object of type tiger have an attribute called age? yes or no

A: From the Above code, lets first try to make some conclusions: Here, since we have used extend…

Q: Interfaces provide more advantages than abstract classes do, making them the superior option.

A: Interfaces have incomplete methods that can be customised for a user's needs An abstract class…

Q: A Barbershop Quartet is a group of four singers: a lead, a tenor, a bass, and a baritone. These…

A: Here i have answered in step 2.

Q: (using classes SuperOverride & SubOverride) public class TestMethod { public static void…

A: Based on the screens provide, it is observed that the code provided in separate java class files .…

Q: (this is question1) public abstract class Shape { public Shape() { } public abstract…

A: Here we have an abstract class shape that has an abstract method and one method that returns the…

Q: subclass must implement all of the abstract methods of its parent

A: A class that is declared using the “abstract” keyword is called abstract class. It can have the…

Q: Given the class definitions above, what is printed to the console when the following lines of code…

A: Given Code is using Inheritance in Java Inheritance: Classes have the capability to Derive…

Q: Consider the class Arthropod and the interface Edible as described below: public class Arthropod…

A: Extra functions created for the part 6: public String getSpecies(): it return species value since…

Q: A Barbershop Quartet is a group of four singers: a lead, a tenor, a bass, and a baritone. These…

A: Explanation on Concepts: HAS-A Relationship: It defines composition. In others words, a set of…

Q: A method declared in abstract class must be implemented by its child. True False

A: GIVEN: A method declared in abstract class must be implemented by its child. True False

Q: public class BankAccount implements Deposit, Withdraw {...} public interface Deposit {public void…

A: Below is the answer with explanation:

Q: To be a subclass of an abstract class, a subclass must implement all of the abstract methods of its…

A: Introduction: Abstract class refers to a class defined using the "abstract" keyword. It may use both…

Q: Investigate! Directions: Type each of the following statements into your main method. Test them…

A: public class Worker { private String name; private double salary; public Worker(String aName,…

Q: Consider the following class definitions public class SampleClass{ public String greet() {return…

A: In the given below code public class SubClass extends SampleClass{ public string greet() {return…

Q: You must modify the class Owner provided below, so that objects of this class can hold objects of…

A: Note: The code does not have any main method so there is no programming running output, only the…

Q: Which of the following is the minimal set of public constructors and/or methods required in the…

A: As BoardPosition is a non abstract class, all the abstract methods in the parent classes must be…

Q: Superclass methods with this level of access cannot be called from subclasses.

A: package

Q: Question 18 What is output? public abstract class People { protected String name; protected int age;…

A: Given code is public abstract class People { protected String name; protected int age; public…

Q: Consider the following class defintion for class named MyClass and answer the following questions.…

A: The syntax for creating object of the class is as follows: 1. For default constructor Classname…

Q: java programming Complete the code for the class StudentAccount in the following. Add constructors…

A: The abstract class is the class in which abstract classes can't be created object and if the class…

Q: s) of a class Company.

A: Identification of Member variables and Member methods - These are also a simple variable and…

Q: Java classes may only inherit directly from only one superclass. Group of answer choices True False

A: The answer is given below.

Q: Given the following definitions: public abstract class Manager extends Employee { ... } public class…

A: Introduction: Class is one of the concepts in the object-oriented programming paradigm and it’s…

Q: Using C# - The following is an abstract class, which declares an abstract method named startEngine.…

A: using System; public abstract class Vehicle{ public abstract bool startEngine();} public class…

Q: The BankAccount class models changes to the balance of a person’s savings account.

A: import java.util.Scanner; public class Bank { public static void main(String[] args) {…

Q: Find the error in the following code

A: Please upvote. I am providing you the correct answer. You can never, in no context, change an…

Q: Given the following code: } public class Foo { public void barl () { public abstract void bar2 ();…

A: abstract method Only applicable in an abstract class, an abstract method lacks a body. The subclass…

Q: Explain the following Java Inheritance code in details. public class Point extends Object {…

A: Inheritance is the Java feature which allows a class to inherit the protected and public data…

Q: 1. (5) Provide the following: (2.5) Provide a fully parameterized constructor. (2.5) Provide getters…

A: The program is written in Java. Check the program screenshot for the correct indentation. Please…

Q: Java program: The class diagram with four classes Mammal, Human, Student and Doctor is given. The…

A: Interface are implemented by classes to achieve abstraction and inheritance. It is a blueprint of…

Q: 1) Draw a class diagram depicting the below code. class Doctor { void Doctor Details () {…

A: According to our guidelines , i solve first one because second is not the part of first:…

Q: Abstract methods must be implemented by any subclass of an abstract class that is derived from it.…

A: Given: Abstract methods must be implemented by every abstract class subclass that is inherited from…

Q: Consider the following class definition and answer the following questions: public class MyClass {…

A: We need to find the output of the given Java code. MyClass object1=new MyClass(12,15); //This sets…

Q: ivate int x; blic int y; otected int z; blic A() private int x; public int y; protected int z;…

A: The answer is below:

Q: 4. Complete the following class to implement all the methods in the class: public class Person {…

A: JAVA CODE- public class Person { String name; int birthYear; //constructor public…

Q: 4. public abstract class Test2 { private int x private int y; public abstract void display(); public…

A: Abstract class containing abstract method doesn't contain method body. Abstract class can't…

Q: public abstract class Media {...} Media.java public class Audio extends Media {.….} Audio.java…

A: Question 1: In the above question the function play is overloaded as with the same method name there…

Q: a. Write the definition of the default constructor of YClass so that the instance variables of…

A: Describe Constructors and techniques A) The default constructor of YClass is defined as follow:…

Q: Consider :Cat c = new tiger();What will be the result of c.getWieght();

A: The result of c.getWeight() will be 175.0. It is given that the object Cat c refers to the object of…

Q: 5) Consider the Clock class, which represents the passage of time. The tick() method adds one minute…

A: Consider the Clock class, which represents the passage of time. The tick() method adds one minute to…

Q: Given the following class definition, public class Pen { private String name; public…

A: public class Pen{ private String name; public Pen(String n) { name = n; } @Override…

Concept explainers

OOPs

In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.

Constructor

The easiest way to think of a constructor in object-oriented programming (OOP) languages is:

Question

Find the error in the following code segment:
1
2 |/ Superclass
3 public abstract class Vehicle
4- {
public abstract double getKMPerlitre();
7
(Other methods . .
.)
8 }
10
11
12 // Subclass
13 public class Car extends Vehicle
14- {
15
private int distance;
16
public int getKMPerlitre()
{
return distance;
}
17
18-
19
20
21
22
(Other methods
.)
23 }
24
a. public abstract double getKMPerLitre(); should not end with a semicolon.
O b. The getKMPerLitre method in the Car class should return a double.
O c. The Car class cannot extend Vehicle class.
O d. The Vehicle class should not be abstract.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

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

You are required to write a Spring Boot + SpringMVC based application that handles a sample request given below and returns the additional parameter sent as part of the request: http://localhost:8080/greeting?name=ali&salary=35000 The request should hit a MVC based Controller within your spring application (for get request type) and return a view (greeting the user) that may be JSP of Thymeleaf templating engine.
Q2
java programing can i uave screenshot also (1) E Define an abstract class named Shape which contains two methods calArea() and calPermeter() with the public modifier.
please base from the first picture and answer the second image.
class IndexItem { public: virtual int count() = 0; virtual void display()= 0; };class Book : public IndexItem { private: string title; string author; public: Book(string title, string author): title(title), author(author){} virtual int count(){ return 1; } virtual void display(){ /* YOU DO NOT NEED TO IMPLEMENT THIS FUNCTION */ } };class Category: public IndexItem { private: /* fill in the private member variables for the Category class below */ ? int count; public: Category(string name, string code): name(name), code(code){} /* Implement the count function below. Consider the use of the function as depicted in main() */ ? /* Implement the add function which fills the category with contents below. Consider the use of the function as depicted in main() */ ? virtualvoiddisplay(){ /* YOU DO NOT NEED TO IMPLEMENT THIS FUNCTION */ } };
Consider the following class public class Ketchup extends Food implements Tasty{ public String brand; private Snack snack; } Select ALL that are correct based this class. Ketchup is a Food Ketchup is a Tasty Ketchup is an Object Ketchup is a Snack Food is a Tasty Snack is a Tasty Food is a Snack
methode code below abstract class Method { // declaration of variables protected int input; protected String output; // Abstract methods public abstract boolean isHard(); public abstract String specificWay(); public abstract void Method(); public abstract void Method(int input, String output); // Getter methods for the input field public int getInput() { return this.input; } // Setter methods for the input field public void setInput(int input) { this.input = input; } // Getter methods for the output field public String getOutput() { return this.output; } // Setter methods for the output field public void setOutput(String output) { this.output = output; } // Custom string representation of the object public String toString() { return "Method"; }}
Consider the following classes: public class Animal { public Animal(String itsName) { name = itsName; } public void setName(String itsName) { name = itsName; } public String getName() { return name; } private String name; } public class Dog extends Animal { public Dog(String itsName) { super(itsName + “Dog”); sound = “Bark!”; } public void setSound(String itsSound) { sound = itsSound; } public String getSound() { return (getName(0) + sound); } public String getName(int choice) { if(choice > 0) return super.getName(); else return “AnyDog”; } public String getName() { return super.getName() + “OK”; } private String sound; } In addition, the following lines of code has been placed in a main class public static void main(String[] args) { Animal a1 = new Animal(“Tweety”); Animal a2 = new Dog(“Rover”); Dog d1 = new Dog(“Spot”); . . . . } Give the values of the following expressions. If an expression is erroneous,…
Consider the following classes Package p1; Package p2; Package p2; Package p1; public class C1{ public class C2{ public class C3 { public class C4 extends C3{ public double age3; private String name; protected double salary; String major; void find(X void serach(){ void claculate(){ void compute(){ a) What are the methods that can access the variable age. b) What are the methods that can access the variable name. c) What are the methods that can access the variable salary. d) What are the methods that can access the variable major
public class Cylinder { public void smoothen() { } } } public abstract class Vessel implements Steerable { private Engine e; } System.out.println("Smoothening.."); public Engine getEngine() { return e; } public void setEngine (Engine e) { this.e = e; } public abstract void turnOn(); public class Engine { private Cylinder [] y; private int cyls = 1; static final int maxCylinders = 12; public void addCylinder (Cylinder y) { if (cyls
Finish the constructor for the KickBall class. public class Ball { public double diameter; public Ball(double diam) { diameter = diam; public class KickBall extends Ball private Color ballColor; public KickBall(double diam, Color ballColor) {
Java222