MOJAB 24

import java.util.Collections;
import java.util.Comparator;
import java.util.List;

public class App {

    public List<Book> sortBooks(List<Book> books) {
        Collections.sort(books, new Comparator<Book>() {
            @Override
            public int compare(Book book1, Book book2) {
                return book2.getTitle().compareTo(book1.getTitle());
            }
        });
        return books;
    }

    public static void main(String[] args) {
        // Create a list of books
        List<Book> books = new ArrayList<>();
        books.add(new Book("Book1"));
        books.add(new Book("Book3"));
        books.add(new Book("Book2"));

        // Sort the list of books in reverse order based on title
        App app = new App();
        List<Book> sortedBooks = app.sortBooks(books);

        // Print the sorted list of books
        for (Book book : sortedBooks) {
            System.out.println(book.getTitle());
        }
    }
}

class Book {
    private String title;

    public Book(String title) {
        this.title = title;
    }

    public String getTitle() {
        return title;
    }
}