A class called Author (as shown in the class diagram) is designed to model a book's author. It contains: Three private instance variables: name (String), email (String), and gender (char of either 'm' or 'f'); One constructor to initialize the name, email and gender with the given values; public Author (String name, String email, char gender) {......} (There is no default constructor for Author, as there are no defaults for name, email and gender.) public getters/setters: getName(), getEmail(), setEmail(), and getGender(); (There are no setters for name and gender, as these attributes cannot be changed.) A toString() method that returns string representation of author. A class called Book is designed (as shown in the class diagram) to model a book written by one author. It contains: Four private instance variables: name (String), author (of the class Author you have just created, assume that a book has one and only one author), price (double), and qty (int); Two constructors: public Book (String name, Author author, double price) { ...... } public Book (String name, Author author, double price, int qty) { ...... } getters/setters methods getName(), getAuthor(), getPrice(), setPrice(), getQty(), setQty(). A toString() that returns book values. Write the Book class (which uses the Author class written earlier). Also write a test driver called TestBook to test all the public methods in the class Book. Take Note that you have to construct an instance of Author before you can construct an instance of Book. E.g., Write a class Library, which has many Books. Make an array of Books, set this array in constructor of Library Class. Also provide getters and setters. Provide main class create array of books set its values Pass this array to library object. Finally print the values. Using Java and multiple classes and array in class

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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A class called Author (as shown in the class diagram) is designed to model a book's author. It contains:

Three private instance variables: name (String), email (String), and gender (char of either 'm' or 'f');
One constructor to initialize the name, email and gender with the given values;

public Author (String name, String email, char gender) {......}

(There is no default constructor for Author, as there are no defaults for name, email and gender.)

public getters/setters: getName(), getEmail(), setEmail(), and getGender();
(There are no setters for name and gender, as these attributes cannot be changed.)
A toString() method that returns string representation of author.
A class called Book is designed (as shown in the class diagram) to model a book written by one author. It contains:

Four private instance variables: name (String), author (of the class Author you have just created, assume that a book has one and only one author), price (double), and qty (int);
Two constructors:
public Book (String name, Author author, double price) { ...... }
public Book (String name, Author author, double price, int qty) { ...... }
getters/setters methods getName(), getAuthor(), getPrice(), setPrice(), getQty(), setQty().
A toString() that returns book values.
Write the Book class (which uses the Author class written earlier). Also write a test driver called TestBook to test all the public methods in the class Book. Take Note that you have to construct an instance of Author before you can construct an instance of Book. E.g.,

Write a class Library, which has many Books. Make an array of Books, set this array in constructor of Library Class. Also provide getters and setters. Provide main class create array of books set its values Pass this array to library object. Finally print the values.

Using Java and multiple classes and array in class

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