Create an object-oriented program that uses inheritance to perform calculations on a rectangle or a square. Console Rectangle Calculator Rectangle or square? (r/s) : r Height: Width: 5 10 Perimeter: 30 50 Area: Continue? (y/n) : y Rectangle or square? (r/s): s Length: Perimeter: 20 5 Area: 25 Continue? (y/n) : n Bye! Specifications • Use a Rectangle class that provides attributes to store the height and width of a rectangle. This class should also provide methods that calculate the perimeter and area of the rectangle. In addition, it should provide a_str_ method that returns a string representation of the rectangle. • Use a Square class that inherits the Rectangle class. This class should set the height and the width of the Rectangle superclass to the length that's set in the Square subclass. • The program should determine whether the user wants to enter a rectangle or a square. • For a rectangle, the program should get the height and width from the user. For a square, the program should get the length of the square from the user.

Create an object-oriented program that uses inheritance to perform calculations on a rectangle or a square. Console Rectangle Calculator Rectangle or square? (r/s) : r Height: Width: 5 10 Perimeter: 30 50 Area: Continue? (y/n) : y Rectangle or square? (r/s): s Length: Perimeter: 20 5 Area: 25 Continue? (y/n) : n Bye! Specifications • Use a Rectangle class that provides attributes to store the height and width of a rectangle. This class should also provide methods that calculate the perimeter and area of the rectangle. In addition, it should provide a_str_ method that returns a string representation of the rectangle. • Use a Square class that inherits the Rectangle class. This class should set the height and the width of the Rectangle superclass to the length that's set in the Square subclass. • The program should determine whether the user wants to enter a rectangle or a square. • For a rectangle, the program should get the height and width from the user. For a square, the program should get the length of the square from the user.

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

Similar questions

public class Artwork { // TODO: Declare private fields - title, yearCreated // TODO: Declare private field artist of type Artist // TODO: Define default constructor // TODO: Define get methods: getTitle(), getYearCreated() // TODO: Define second constructor to initialize // private fields (title, yearCreated, artist) // TODO: Define printInfo() method // Call the printInfo() method in Artist.java to print an artist's information }} public class ArtworkLabel { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); String userTitle, userArtistName; int yearCreated, userBirthYear, userDeathYear; userArtistName = scnr.nextLine(); userBirthYear = scnr.nextInt(); scnr.nextLine(); userDeathYear = scnr.nextInt(); scnr.nextLine(); userTitle = scnr.nextLine(); yearCreated =…
need help. programming language is JAVA
Inheritance makes it more difficult to design object class tests. Explain.
subject: object-oriented programming in your library there are two types of books. one category is literature books and the second category is generals. litrature books have the authorID, authorname literature theme language, publisher, volumn,, yearofpubication, journal have attributes volumn, issue, publisher,yearofpublication,journalID, technical sponser. design a parent class books extend two classes literaturebooks and journel from parent class make constructor , setter, and getter
In java language on netbeans design a console application that will print the game sales for a particular game in 2021. Use an abstract class named Games that contains variables to store the game name, game genre and the total sales. Create a constructor that accepts the game name, game genre and the total game sales as parameters. In this class also create get methods for the variables. The Games class must implement an iGames interface that contains the following: public interface iGames { public void printSales(); public String getGame(); public String getGameGenre(); public int getGameSales(); } Create a subclass called Game Sales that extends the Games class. The Games Sales class must contain a constructor to accept the game name, game genre and total game sales as parameters. Then, write code for the Print Sales method, which prints the game sales report for 2021. Finally, write a Use Games class to instantiate the Games Sales class.
The non-static class level variables and non-static methods of a class are known as a. instance members b. object behaviors c. object attributes O d. object references
Classes: Write a Person class that has these attributes: person_ID, first and last names, and age Default and overloaded constructors Accessors and mutators equals method toString method (make this virtual if C++, don't forget to prep the class for polymorphism) Inheritance: Create a child class to Person called Student: Attributes: GPA and status (freshman, sophomore, junior, senior, graduate, graduated). Make sure you have appropriate accessor/mutator methods Create another child class to represent Faculty. This class will have faculty rank and length of service as attributes along with an office location. Again, add methods as needed. Application Create an application that displays a menu that allows users to add students or faculty, or print either one or exit. Deliverable: Submit your source code and classes on Github (you will be supplied an account) You will also submit a Word document and your code on Canvas. In the document you iwll write a summary of your design…
java If the first statement of a constructor has the form this(. . .), then the constructor calls another constructor of the same class. Select one: True False
JAVA. THIS IS A PROGRAMMING ASSIGNMENT NOT A WRITING ASSIGNMENT IF YOU ANSWERED BEFORE DO NOT ANSWER AGAIN PLEASE DO NOT PASTE A PAPER Design a class to store the following information about computer scientists⦁ Name⦁ Research area(s)⦁ Major contribution A scientist may have more than one area of research.⦁ Implement the usual setters and getters methods ⦁ Implement a method that takes a research area as an input and return thenames of scientists associated with that area ⦁ Implement a method that takes a word as an input and return the names ofscientists whose contribution mention that word Next, perform desktop research to find at least five prominent black computerscientists, with their research area(s) and major contribution, and store this data intoobjects of the class you designed. You can just hardcode this data. No user input needed.Define JUnit tests to check your research area and contribution search methods.
A Door Class A computer game usually has many different objects that can be seen and manipulated. One typical object is a door. Whether a player runs through a castle, attacks the forces of an evil empire, or places furniture in a room, a door often comes into play. Implement a Door class as described below as well as a TestDoor class that instantiates three Door objects labeled “Enter,” “Exit,” and “Treasure.” The “Enter” door should be left unlocked and opened. The “Exit” door should be left closed and locked. The “Treasure” door should be left open but locked. A Door class A Door object can • display an inscription, • be either open or closed, and • be either locked or unlocked. Here are some rules about how Door’s work. • Once the writing on a Door is set, it cannot be changed. • You may open a Door if and only if it is unlocked and closed. • You may close a Door if and only if it is open. • You may lock a Door if and only if it is unlocked, and unlock a Door if…
Portfolio Instructions: You are working for a financial advisor who creates portfolios of financial securities for his clients. A portfolio is a conglomeration of various financial assets, such as stocks and bonds, that together create a balanced collection of investments. When the financial advisor makes a purchase of securities on behalf of a client, a single transaction can include multiple shares of stock or multiple bonds. It is your job to create an object-oriented application that will allow the financial advisor to maintain the portfolios for his/her clients. You will need to create several classes to maintain this information: Security, Stock, Bond, Portfolio, and Date. The characteristics of stocks and bonds in a portfolio are shown below: Stocks: Bonds: Purchase date (Date) Purchase date (Date) Purchase price (double)…
Constructors in Java Create a constructor for the Phone class that accepts three values: brand storage price Then, ask the user for the values of these attributes. Use the constructor to create the object and finally, print the values of the attributes. Inputs 1. Brand 2. Storage 3. Price Sample Output Brand: TestBrand Storage: 128 Price: 50000 TestBrand has a memory of 128 GB and a price of Php50000!