package com.semanticsquare.booksaloha.managers; import java.util.ArrayList; import java.util.Collection; import com.semanticsquare.booksaloha.entities.Book; public class BooksManager { private static BooksManager instance = new BooksManager(); private BooksManager() { } public static BooksManager getInstance() { return instance; } public Collection getMyBooks() { Collection myBooks = new ArrayList<>(); // First book Book book = new Book(); book.setImageUrl("http://photo.goodreads.com/books/1170846378m/73968.jpg"); book.setAuthor("Erich Segal"); book.setRating(3.44); myBooks.add(book); // Second book book = new Book(); book.setImageUrl("http://ecx.images-amazon.com/images/I/21WBe6pNO5L._SX106_.jpg"); book.setAuthor("Lillian Eichler Watson"); book.setRating(5.0); myBooks.add(book); return myBooks; } }