Do in JavaOverride the toString and equals of the Object class. For example:TestResultBook book = new Book("978-0135166307","Core Java Volume 1", "Cay A. Hortsmann", 2018); System.out.println(book);978-0135166307, Core Java Volume 1, Cay A. Hortsmann, 2018Book book = new Book("978-0135166307","Core Java Volume 1", "Cay A. Hortsmann", 2018); Book book2 = new Book("978-0131873254","Database Systems: The Complete Book","Hector Garcia-Molina", 2008); System.out.println(book.equals(book2));false Override the toString and equals of the Object class.For example:TestBook book = new Book ("978-0135166307", "Core Java Volume 1", "Cay A. Hortsmann", 2018)System.out.println (book);Book book = new Book ("978-0135166307", "Core Java Volume 1", "Cay A. Hortsmann", 2018)Book book2 = new Book ("978-0131873254", "Database Systems: The Complete Book", "HectorSystem.out.println (book.equals (book2));Answer: (penalty regime: 0, 0, 5, 10, 15, 50 %)RESET ANSWER1 public class Book{22347∞910111213141516171819202122232425NG26 3private String isbnNumber;private String title;private String author;private int yearPublished;public Book(String i, String t, String a, int y){isbnNumber i;title = t;author =a;yearPublished у;}public String getIsbnNumber() { return isbnNumber;public String getTitle() { return title;}public String getAuthor() { return author;}public int getYearPublished() { return yearPublished;}//your code for toString//your code for equals

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Answered: Do in Java Override the toString and…

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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Do in Java

Override the toString and equals of the Object class.

For example:

Test	Result
Book book = new Book("978-0135166307","Core Java Volume 1", "Cay A. Hortsmann", 2018); System.out.println(book);	978-0135166307, Core Java Volume 1, Cay A. Hortsmann, 2018
Book book = new Book("978-0135166307","Core Java Volume 1", "Cay A. Hortsmann", 2018); Book book2 = new Book("978-0131873254","Database Systems: The Complete Book","Hector Garcia-Molina", 2008); System.out.println(book.equals(book2));	false

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