Create an abstract class Product with following Properties Price (Decimal), Code (string), Description (string) Create an interface ISellable with the following Method sell that takes the count of the products to sell and returns the cost public decimal sell(int count); Create a concrete class Book that Inherits from class Product and implements interface ISellable Has additional Property Author (string) Add a constructor with parameters, and ToString method to display all of data of class Book Similarly, create anot concrete class Software that Inherits from class Product and implements interface ISellable Has additional Property Version (string) Add a constructor with parameters, and ToString method to display all of data of the class Software Finally, write a client code (main program) that will utilize the class and interface hierarchy you created. Create two Book objects for the following books C# 8.0 in a Nutshell, with price $50.99 and with ISBN 978-1492051138 by Jack Smith C#: Advanced Features and Programming Techniques, with price $2.99 and with ISBN 100-1492051000 by Jill Smith Ask the user how many of each book the user wants to buy and then display a report of how much the total cost is. Create a Software object for the following Software Microsoft 365 Personal with price $69.99 and version 16.0.10827 Ask the user how many of the Microsoft 365 the user wants to buy and then display a report of how much the total cost is.

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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Question

Create an abstract class Product with following

Properties Price (Decimal), Code (string), Description (string)

Create an interface ISellable with the following

Method sell that takes the count of the products to sell and returns the cost

public decimal sell(int count);

Create a concrete class Book that

Inherits from class Product
and implements interface ISellable
Has additional Property Author (string)
Add a constructor with parameters, and ToString method to display all of data of class Book

Similarly, create anot concrete class Software that

Inherits from class Product
and implements interface ISellable
Has additional Property Version (string)
Add a constructor with parameters, and ToString method to display all of data of the class Software

Finally, write a client code (main program) that will utilize the class and interface hierarchy you created.

Create two Book objects for the following books

C# 8.0 in a Nutshell, with price $50.99 and with ISBN 978-1492051138 by Jack Smith

C#: Advanced Features and Programming Techniques, with price $2.99 and with ISBN 100-1492051000 by Jill Smith

Ask the user how many of each book the user wants to buy and then display a report of how much the total cost is.

Create a Software object for the following Software

Microsoft 365 Personal with price $69.99 and version 16.0.10827

Ask the user how many of the Microsoft 365 the user wants to buy and then display a report of how much the total cost is.

Expert Solution

Explanation

NOTE - I have used the Java programming language.

Here I have created all the classes and interface as per the question.

Next, I have created the main method and inside the main method, I have created 2 objects of Book type.

Next, I have printed the book information and taken input from the user for the number of books of each type.

Then I have printed the total cost for the books.

Next, I have created the object of Software type and taken input from the user, and printed the total cost to the console.

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