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-name: string -author: Author -price: double Book +Book(name: string, author: Author, price: double) +getName(): string +getAuthhor(): Author +getPrice(): double +setPrice(price: double): void +print(): string The class Book contains: • Three private member variables: name (String), 0 O . author (an instance of the Author class we have just created, assume b has exactly one author). 0 price (double). The public getters and setters: getName().getAuthor (), getPrice (). set Price (). A print () that returns "book-name by author-name (gender) at email". could reuse the Author's print () function, which returns "author-name (gen mail"

-name: string -author: Author -price: double Book +Book(name: string, author: Author, price: double) +getName(): string +getAuthhor(): Author +getPrice(): double +setPrice(price: double): void +print(): string The class Book contains: • Three private member variables: name (String), 0 O . author (an instance of the Author class we have just created, assume b has exactly one author). 0 price (double). The public getters and setters: getName().getAuthor (), getPrice (). set Price (). A print () that returns "book-name by author-name (gender) at email". could reuse the Author's print () function, which returns "author-name (gen mail"

Database System Concepts
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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Write a program to test the Book class using C++. Create objects and use the print function in the objects to display information.

**Book Class Structure and Details** **Class Diagram: Book** - **Attributes:** - `-name: string` - `-author: Author` - `-price: double` - **Methods:** - `+Book(name: string, author: Author, price: double)` - `+getName(): string` - `+getAuthor(): Author` - `+getPrice(): double` - `+setPrice(price: double): void` - `+print(): string` **Details:** The class `Book` contains: - **Three private member variables:** - `name`: A `String` representing the name of the book. - `author`: An instance of the `Author` class, assuming each book has exactly one author. - `price`: A `double` representing the book's price. - **Public getters and setters:** - `getName()`: Retrieves the book's name. - `getAuthor()`: Retrieves the author object of the book. - `getPrice()`: Retrieves the book's price. - `setPrice()`: Sets a new price for the book. - **A `print()` method:** - Returns a string in the format: `"book-name by author-name (gender) at email"`. - Reuses the Author's `print()` function, which returns: `"author-name (gender) at email"`.
Transcribed Image Text:**Book Class Structure and Details** **Class Diagram: Book** - **Attributes:** - `-name: string` - `-author: Author` - `-price: double` - **Methods:** - `+Book(name: string, author: Author, price: double)` - `+getName(): string` - `+getAuthor(): Author` - `+getPrice(): double` - `+setPrice(price: double): void` - `+print(): string` **Details:** The class `Book` contains: - **Three private member variables:** - `name`: A `String` representing the name of the book. - `author`: An instance of the `Author` class, assuming each book has exactly one author. - `price`: A `double` representing the book's price. - **Public getters and setters:** - `getName()`: Retrieves the book's name. - `getAuthor()`: Retrieves the author object of the book. - `getPrice()`: Retrieves the book's price. - `setPrice()`: Sets a new price for the book. - **A `print()` method:** - Returns a string in the format: `"book-name by author-name (gender) at email"`. - Reuses the Author's `print()` function, which returns: `"author-name (gender) at email"`.
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