Oscar Chavoya Aceves thinks this is interesting: The signature of this method is as follows: From Chapter 3: Session Management from Servlet & JSP: A Tutorial, Second Edition by Budi Kurniawan Publisher: Brainy Software Released: October 2015 Note Which means a cast is required to recover an object from the session. Share this highlight http://www.safaribooksonline.com/a/servlet-jsp/2021841/ Twitter Facebook Google Plus Email Get Instant Access Now Start a Free Trial Have an account? Sign in. Minimise Unlock the rest of Servlet & JSP: A Tutorial, Second Edition and 30,000 other books and videos By clicking this box, you confirm that you have read and agree to the terms and conditions of our Membership Agreement, and you understand that when your trial period ends, you will be required to provide billing information if you wish to continue using the service. Unlock the rest of this book Start a Free 10-Day Trial loading Learn about Safari for Business Have an account? Sign in.