Define a class named Apartment that has the following • An instance variable named address of type String • An instance variable named numOfRooms of type int • An instance variable named price of type double • A constructor that takes no argument and sets address to "5500 Saint Louis Ave", numOfRooms to 3, and price to 450. The constructor's header is Apartment() A constructor that takes three parameters and sets the instance variables accordingly. The constructor's header is Apartment(String newAddress, String newNumRooms, double newPrice) • An instance method that displays the instance variables of the invoking object. The method's header is void displayApartment()

Define a class named Apartment that has the following • An instance variable named address of type String • An instance variable named numOfRooms of type int • An instance variable named price of type double • A constructor that takes no argument and sets address to "5500 Saint Louis Ave", numOfRooms to 3, and price to 450. The constructor's header is Apartment() A constructor that takes three parameters and sets the instance variables accordingly. The constructor's header is Apartment(String newAddress, String newNumRooms, double newPrice) • An instance method that displays the instance variables of the invoking object. The method's header is void displayApartment()

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

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C- Create the sub class UsedBook that is derived from the super class Book and has the following instance variables, constructor, and functions: title ( String) isbn ( String) authors (String) publisher (String) edition ( int) published_year (int) price_new (double) // the price of the book if it is new age (int) // how old the book is in years Constructor that takes all of the above variables as input parameters. set/get functions calculate_price method // the price is calculated as price_new * (1- 0.10*age) print function that prints all information related to the old book. D- Create the Testing class that has the main method and does the following: aa- Use the constructor to create instance of NewBook class and name it as new. Call compute_price function. bb- Use the constructor to create instance of usedBook class and name it used. Call compute_price function. cc- Print the related information of new and used objects using print functions. Use this following code: class…
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C++ coding project just need some help getting the code thank you!
1- Design a class named Rectangle to represent a Rectangle. The class contains: • three variables integer data field named height, integer data filed named width and integer data filed named length. The default values are 1 for height, length, and width are 1.0 for each of them respectively. • A no-arg constructor that creates a default Rectangle. • A constructor that creates a Rectangle with the specified height, length and width. • A method named getVolume() that returns the volume of this Rectangle. (Volume = height * width * length) %3! 2- Write a test program called Test Rectangle that: • Creates two Rectangle objects: one object with height 11, length 5, and width 7, the other object with height 10, length 2 and width 6 • Display the volume of each Rectangle object.
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QUESTION 3 A constructor is like a function. It can return any type value needed. True False