<P>MARK CADE has 15 years of experience as a software engineer. Currently, he works at the Sun Microsystems Java Center as a Senior Java Architect, where he has extensive experience creating architectures for J2EE solutions for Fortune 500 companies. Cade is lead developer and assessor of the Sun Certified Enterprise Architect for J2EE exam. </P><P>SIMON ROBERTS has worked in the software development and training industries for nearly twenty years. He is a team lead on the programmer and developer certification projects. Roberts is co-author of <I>The Complete Java 2 Ce...