JAVA CLASSES

package edu.cudenver.library; /** * Represent books in our library */ public class Book { //Todo: // Book has a title, a location (string) a year of publication (int) a single author and a single publisher. /* Add Code Here */ /** * Initializes the book * @param title book's title * @param location book's location in the library. it's usually a code like G70.212.R54 * @param yearPub year of publication * @param author author object. * @param publisher publisher object. */ public Book ( String title, String location, int yearPub,Author author, Publisher publisher){ //Todo: #1 Initialize the book attributes. /* Add Code Here */ } public Book (String title, String location, int yearPub){ //Todo: #2: initialize attributes. Author and publisher should be set to null. // reuse as much as possible! /* Add Code Here */ } public Author getAuthor() { //Todo: #3 /* Add Code Here */ } public Publisher getPublisher() { //Todo: #4 /* Add Code Here */ } public int getYearPub() { //Todo: #5 /* Add Code Here */ } public void setYearPub(int yearPub) { //Todo: #6 /* Add Code Here */ } public String getLocationCode() { //Todo: #7 /* Add Code Here */ } public void setLocationCode(String locationCode) { //Todo: #8 /* Add Code Here */ } public String getTitle() { //Todo: #9 /* Add Code Here */ } public void setTitle(String title) { //Todo: #10 /* Add Code Here */ } /** * The toString method converts an object to a string. It is used to display the object in a println call. * @return */ public String toString(){ //Todo: #11 // should show: "A book called '<title>' written by '<author name>' and published in <year> by '<publisher name>'" // e.g. "A book called 'intro to java' written by 'John' and published in 2005 by 'Pearson' /* Add Code Here */ } }