JAVA PROGRAMDefine the classes (see attached photo) SHAPEString nameabstract double getArea()override equals and toStringencapsulate the fieldsSquateCIRCLERECTANGLEint sidesint radiusint length, int widthRectangle(name, length width)encapsulate fieldsoverride to String and equalsCircle(name, radius)encapsulate the fieldsoverride toString and equalsSquare(name, sides)encapsulate the fieldsoverride to String and equals

We need to define the classes Shape,Rectangle,Circle and Square as per the given description.

Answered: SHAPE String name abstract double…

Engineering

Computer Science

SHAPE String name abstract double getArea() override equals and toString encapsulate the fields

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: Explain how the constructors of base and derived classes work.

A: Constructors: Constructors are used in programming languages such as C++, Java etc. which is a…

Q: Constraints Input Constraints 1<T<5 0 < nc < 50 op E {create, hash, is_equal, clone} class name is…

A: Answer: I have done code and also I have attached code as well as output

Q: Interfaces provide more advantages than abstract classes.

A: In Java, abstract class and interface both are used to achieve abstraction where abstract methods…

Q: Class diagram is all about classes and their: a. Interrelationships Ob. Attributes O c. Operations…

A: Class diagrams are a type of UML diagram that show the structure of a system by illustrating its…

Q: 2- Write a Java class that will create another Java class called Student.java as in Figure 3: 1…

A: public class Student { private String first; // first name private String last; //…

Q: What is Encapsulation and the Public Interface of a Class?

A: The concept of encapsulating or merging data and the techniques that operate on that data into a…

Q: Question : Design an abstract class GeometricObject. GeometricObject must ensure that its children…

A: Program: Programs are generally used to interact with computer systems. The main objective of the…

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: Java Programming Create "Mammal" class as a parent class and "cat" as a child class…

A: Method overriding: In inheritance when both parent class and child class have the method with the…

Q: 1. Create an abstract class that stores data about the shapes e.g. Number of Lines in a Shape, Pen…

A: the code is given below :

Q: TestCakeProgram.java:30: error: cannot find symbe ob[i] = new orderCake(w,name,rateO); symbol:…

A: 1- I have checked the entire code, there is only one mistake. 2- ob[i] = new…

Q: Interfaces and abstract classes describe object behavior. What factors should you consider when…

A: Object-oriented programming languages have the capability of implementing both abstract classes and…

Q: Class diagram is all about classes and their: O a. Interrelationships Ob. Attributes c. Operations…

A: the answer

Q: Class diagram is all about classes and their: O a. Interrelationships Ob. Attributes O c. Operations…

A: Please find the answer below :

Q: Why must classes implement destructors?

A: Introduction: Destructor: When an object of a class is destroyed, the destructors for that class are…

Q: If a class B is derived from A, identify which of the following terms can be used to describe A:

A: the answer is an ALL OF THE OPTIONS as given below : Ancestor class Base class Parent class…

Q: 1.Draw the Class diagram(UML Diagram). 2.Write a JAVA program for Student Information using…

A: What is Class Diagram? A Class Diagram is a structure which is static in nature that gives an…

Q: A subclass usually contains information and functions than/to its super class.

A: A basic question asked on inheritance property in java:

Q: Design a JAVA program for CREDITCARD to maintain the user services. Make CREDITCARD as interface.…

A: Introduction: Design a JAVA program for CREDITCARD to maintain the user services. Make CREDITCARD as…

Q: 1. class rectangle { 2 private: 3. double width; double length; 5. public: rectangle(double w=0.0,…

Q: User-Defined Classes: In Java, Design and implement the class Day thst implrmntd the dsy of the week…

A: Hey there, I am writing the required solution based on the above given question. Please do find the…

Q: Java programming language I need the two classes ( the testing class and the class with the…

A: We can merge both the classes in one (testing and method class) . We can use main method the…

Q: Java Program This assignment requires one project with two classes. Class Employee Class…

A: Solution: I have solved the given problem according to the given instructions. Please look at the…

Q: thod private void buildLetterTable() { implemente

A: What is included in the method private void buildLetterTable() { implemented in the class Anagrams…

Q: What qualities does an abstract class have?

A: An abstract class is a class that can't be started up and is involved all of the time as a base…

Q: Please encode these classes and run them for inspection/analysis/scrutiny

A: SUMMARY: - Hence, we discussed all the points.

Q: Do classes and objects interact in any particular way?

A: Classes and objects are basic components of object-oriented programming. Class is a collection of…

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

A: package

Q: Explain Order of public and private Members of a Class.

A: Private members of the class: The keyword “private” is used to declare the private class members.…

Q: Java Number 2 No class implementation.

A: Introduction: A class is a user defined blueprint or prototype from which objects are created. It…

Q: Define the term Constructors.

A: Constructors: In the object-oriented programming language Constructor is a special member…

Q: PROGRAMMING LANGUAGE: JAVA SUBJECT: ADVANCED OOP WITH JAVA QUESTION NO 1: Make an abstract…

A: Abstract class: In the Java programming language, an Abstract class is declared using the abstract…

Q: class Time { private int hour; private int minute; private int second;…

A: The JAVA code is given below with output screenshot

Q: Why must classes implement destructors?

A: Introduction: Destructor: Destructors are usually used to deallocate memory and do other cleanup for…

Q: Abstract classes and interfaces may be used interchangeably to specify the behavior of objects. How…

A: Interfaces and abstract classes are both characteristics of object-oriented programming languages.…

Q: linked

A: According to your question Object-oriented programs (OOP) are a computer program model that…

Q: From a practical standpoint, interfaces outperform abstract classes.

A: From a practical standpoint, the choice between interfaces and abstract classes depends on the…

Q: ject-oriented programming allows you to derive new classes from existing classes. This is called )…

A: Object oriented programming provides functionalities like Encapsulation Inheritance Abstraction…

Q: Polymorphism in Java is Select one: a.when a program uses several different types of objects, each…

A: I have provided solution in step2.

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: Vehicle is an abstract class. Create the Airplane class as a subclass of Vehicle. Extend and…

A: We have to write a Java program for Vehicle is an abstract class. Create the Airplane class as a…

Q: In your own words, describe the relationship between classes and objects

A: Introduction: A member (or instance) of a class is an object, and objects inherit the class's…

Q: Section 9.2: Interacting with the Superclass 4. Explain the difference between the this keyword and…

A: Difference between this and super keyward: Keyword Description Usage this Refers to the…

Question

JAVA PROGRAM

Define the classes (see attached photo)

SHAPE
String name
abstract double getArea()
override equals and toString
encapsulate the fields
Squate
CIRCLE
RECTANGLE
int sides
int radius
int length, int width
Rectangle(name, length width)
encapsulate fields
override to String and equals
Circle(name, radius)
encapsulate the fields
override toString and equals
Square(name, sides)
encapsulate the fields
override to String and equals

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 :Main.java

VIEW

Step 3 :Shape.java

VIEW

Step 4 :Rectangle.java

Step 5 :Circle.java

Step 6 :Square.java

Step 7 :OUTPUT

Step by step

Solved in 7 steps with 1 images

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

There is a class hierarchy that includes three classes: class Animal { protected int age; public int getAge() { return age; } public void setAge(int age) { this.age = age; }}class Pet extends Animal { protected String name; public String getName() { return name; } public void setName(String name) { this.name = name; }}class Cat extends Pet { protected String color; public String getColor() { return color; } public void setColor(String color) { this.color = color; }} Given the following object: Pet cat = new Cat(); Select all invalid method invocations.
What makes an abstract class different from other classes?
Why do classes need destructors?
Identify the constructor for the following class class Teacher { int id; String name; } a. Teacher0 b. class) c. id() d. name()
Java program: The class diagram with four classes Mammal, Human, Student and Doctor is given. The Mammal class is given as well. Write down the remaining classes as described in the class diagram. The fields and methods for each class is given in the attachment. //in Mammel.java Public interface Mammal{ public double hairColor(): } 1. Class Human: Fields: age(int), weight(double), height(double) Methods: getAge, getWeight, getHeight 2. Class Student: Fields: major (String), gpa (double), creditHours (int) methods: getMajor: returns major, getGpa: returns gpa, getYear: returns freshman, sophmore, junior, senior as determined by earned credit hours Freshman : less than 32 credit hours sophmore: at least 32 but less than 64 credit hours junior: at least 64 credit hours but less than 96 credit hours senior: at least 96 credit hours 3.Class Doctor: Fields: years(int), Speciality (String) methods: getYears: returns years, getSpeciality: returns speciality, getSalary: calculates…
What is fundamental difference/s between an abstract classes and interface
Class definitionDefine a class bankAccount to implement the basic properties of a bank account. Anobject of this class should store the following data: Account holder’s name (string) Account number (int) Account type (string, check/savings/business) Balance (double) Interest rate (double) – store interest rate as a decimal number. Add appropriate member functions to manipulate an object. Use a static member in theclass to automatically assign account numbers.
Java Question 9:
1) Draw a class diagram depicting the below code. class Doctor { void Doctor Details () { System.out.println("Doctor Details..."); } class Surgeon extends Doctor { void Surgeon_Details () { System.out.println("Surgen Detail..."); } } public class Hospital { public static void main(String args[]) { Surgeon s = new Surgeon (); } } } 2) Establish an association between Person class and Book Class given below. public class Person { } s. Doctor Details (); s. Surgeon Details (); } private String name; private int age; public Person (String initialName) { this.name = initialName; this.age = 0; } public void printPerson() { } public String getName() { return this.name; } System.out.println(this.name + age public class Book { private String name; private String publisher; private ArrayList authors; // constructor public ArrayList getAuthors() { return this.authors; } public void addAuthor (Person author) { this.authors.add(author); } + this.age + 11 years");
Computer Science (Java programming practice question) Please help to answer thank you
True or false?(a) Every object is an instance of the object class.(b) If a class does not extend a superclass explicitly, it extends object by default.
Explain and give: Interface using examples. why you mighti use an Abstract class rather than an reasons