About the Authors

Mark Cade is a lead developer and assessor for the Sun Certified Enterprise Architect for Java EE exam. He has more than 20 years of experience as a software engineer and has extensive experience creating architectures for Java EE solutions for Fortune 500 companies. He worked at the Sun Microsystems Java Center as a Senior Java Architect until 2006. He is currently employed at BigFix.

Humphrey Sheil is a lead developer and assessor for the Sun Certified Enterprise Architect for Java EE exam. With a background specializing in enterprise architecture and integration in the United States and Europe, he holds a M.Sc. and B.Sc. in Computer Science from University College Dublin. He is currently the CTO at Comtec Group.

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