Technicians should have knowledge of JAVA and be familiar with the following techniques and domains: UML diagrams and language Java language and object-oriented programming HTML and XHTML languages, CSS style sheets JavaScript language J2EE design patterns JSTL (Tags Library) Data access: JNDI and Datasources Exception handling Code control and repositories (subversion) NetBeans 6 development tool Servlets and JSP EJB 3.0 and O/R mapping. Java annotations JAAS security JSF SUN Web UI component library AJAX and Web 2.0: Prototype and ICEfaces XML file handling libraries PDF file generation libraries