Question 3: Consider the code given below that searches for a Book in…

1class Book {
2    private String title;
3    private String isbn;
4
5    //constructor to initialize the instance variables
6
7    public boolean equals(Object obj) {
8        // CODE BLOCK
9    }
10}
11
12public class Test {
13    public static void main(String[] args) {
14        Book[] library = {
15            new Book("Effective Java", "111"),
16            new Book("Clean Code", "222"),
17            new Book("Design Patterns", "333")
18        };
19
20        Book target = new Book("Clean Code", "222");
21        boolean found = false;
22
23        for (int i = 0; i < library.length; i++) {
24            if (library[i].equals(target)) {
25                found = true;
26                break;
27            }
28        }
29
30        if (found)
31            System.out.println("Book Found");
32        else
33            System.out.println("Book Not Found");
34    }
35}