I have a new entity Author and want to add a Book. The book list is empty which generates an exception in author.getBooks().add( new Book() ). Two questions.
First, can any old List implementation be used to initialize the list? My impression was that was a special implementation of List with a plain old List interface. Second, what is the best-practice in terms of initializing? Should the Author's books field new its own ArrayList? Will the loader use that or create another? | | public class Author | { | private List<Book> books = new ArrayList<Book>(); | ... | | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3932852#3932852 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3932852 ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 _______________________________________________ JBoss-user mailing list JBoss-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jboss-user