Scott Stanchfield is the lead instructor and courseware designer for DPT Consulting Group, Ltd. Stanchfield manages the popular VisualAge for Java Tips and Tricks Web site (www.javadude.com/vaj). He has written several articles for VisualAge Developer Domain (www.software.ibm.com/vadd) and Sun's Java Developer Connection (http://developer.java.sun.com). His areas of expertise include introductory and advanced Java, including Swing, Servlets, JSPs, EJBs, and VisualAge for Java. Isabelle Mauny is an architect and consultant for IBM's European technical sales support team. With eight years' experience in the application development arena, Mauny teaches, demonstrates, and develops e-business applications using the VisualAge for Java and WebSphere Application Server products.