SCEA Sun® Certified Enterprise Architect for Java EE Study Guide ™ (Exam 310-051) This page intentionally left blank SCEA Sun® Certified Enterprise Architect for Java EE Study Guide ™ (Exam 310-051) Paul R. Allen Joseph J. Bambara New York Chicago San Francisco Lisbon London Madrid Mexico City Milan New Delhi San Juan Seoul Singapore Sydney Toronto Copyright © 2007 by The McGraw-Hill Companies. All rights reserved. Manufactured in the United States of America. Except as per- mitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher. 0-07-151093-1 The material in this eBook also appears in the print version of this title: 0-07-148861-8. All trademarks are trademarks of their respective owners. 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If you’d like more information about this book, its author, or related books and websites, please click here. To Evelyn, Sophia, and Terence. —Paul R. Allen To my family, for all their support. —Joseph J. Bambara This page intentionally left blank ABOUT THE CONTRIBUTORS About the Authors Paul R. Allen is a principal of UCNY, Inc., an international consulting firm that helps Fortune 500 companies improve their operations through the use of web, database, and object technology. He has been developing applications for more than 20 years. He has been developing database applications for the last 18 years and using Weblogic, WebSphere, and Java for web development for the past eight years. His industry experience includes financial, brokerage, pharmaceutical, and manufacturing. He specializes in transitioning clients to web-based, object-oriented database technology. He has taught numerous courses in computing at the Columbia University of New York. He has coauthored the following books: PowerBuilder: A Guide To Developing Client/Server Applications (McGraw-Hill, 1995), Informix: Client /Server Application Development (McGraw-Hill, 1997), Informix: Universal Data Option (McGraw-Hill, 1998), SQL Server 7 Developer’s Guide (IDG, 2000) and J2EE Unleashed (SAMS, 2002). He has presented numerous courses and presentations on computing in several cities and countries, including Berlin, Copenhagen, London, Los Angeles, Nashville, New York, Orlando, Oslo, Paris, Stockholm, Vienna, and Washington, D.C. over the past 12 years. His e-mail address is [email protected]. Joseph J. Bambara is a principal of UCNY, Inc., an international consulting firm that helps Fortune 500 companies improve operations through the use of database and object technology. He has been developing application systems for more than 25 years, including relational database development for the last 20 years and Java application server for web development for the past eight years. He is a Certified Trainer and Developer. His industry experience includes financial, brokerage, manufacturing, medical, and entertainment. Mr. Bambara has a Bachelor’s and Master’s degree in Computer Science. He also holds a Juris Doctorate in Law and is admitted to the New York Bar. He has taught various computer courses for CCNYs School of Engineering. He has coauthored the following books: PowerBuilder: A Guide To Developing Client/Server Applications (McGraw-Hill, 1995), Informix: Client /Server Application Development (McGraw-Hill, 1997), Informix: Universal Server (McGraw-Hill, 1998), Informix: Universal Data Option (McGraw-Hill, 1998), SQL Server 7 Developer’s Guide (IDG, 2000) and J2EE Unleashed (SAMS, 2002). He has presented numerous courses and presentations for Weblogic, WebSphere, and Copyright © 2007 by The McGraw-Hill Companies. Click here for terms of use. Sybase in several cities and countries, including Los Angeles, Vienna, Paris, Berlin, Orlando, Nashville, New York, Copenhagen, Oslo, and Stockholm over the past ten years. His e-mail address is [email protected]. About the Technical Editor Thomas Garben is a principal of J-Class Solutions, Inc., a consulting firm that provides enterprise application architecture services and resources. He has developed applications for several different industries, ranging from Guided Missile Systems for the U.S. Navy, to Financial Applications for many major banks and clearing houses on Wall Street, to content distribution systems for major sports entertainment firms. He has been developing applications since 1985 and has been immersing himself in Java and J2EE technologies since their inception. He holds degrees in Physics, Math, and Computer Engineering and a Master’s degree in Systems and Computer Engineering. He is a coauthor of the book J2EE Unleashed (SAMS, 2002). His e-mail address is [email protected]. Copyright © 2007 by The McGraw-Hill Companies. Click here for terms of use.