Also, the author has added a new chapter in Sun Java System Application Server 9 as a deployment environment for chapters technologies.The web-tier server-side technologies include components used in developing the presentation layer of Java EE 5 or stand-alone web application. web services technology chapters cover the APIs used in developing standard web services. Enterprise JavaBeans (EJB) technology chapters cover the components used in developing the business logic of the Java EE 5 Persistence application.The chapters cover the Java Persistence API technology, which is used to access databases from Java EE applications. platform services chapters cover the system services used by all the Java EE 5 component technologies