-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
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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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
Question
Write a program to test the Book class using C++. Create objects and use the print function in the objects to display information.
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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