Complete Java
2
Certification
Study Guide
Fifth Edition
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4419FM.fm Page ii Friday, February 25, 2005 3:24 PM
San Francisco • London
Complete Java
®
2
Certification
Study Guide
Fifth Edition
Philip Heller
Simon Roberts
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Publisher: Neil Edde
Acquisitions and Developmental Editor: Jeff Kellum
Production Editor: Katherine Perry
Technical Editor: James Nuzzi
Copyeditor: Linda S. Recktenwald
Compositor: Laurie Stewart, Happenstance Type-O-Rama
Graphic Illustrator: Jeffrey Wilson, Happenstance Type-O-Rama
CD Coordinator: Dan Mummert
CD Technician: Kevin Ly
Proofreaders: Jim Brook, Jennifer Larsen, Nancy Riddiough
Indexer: Ted Laux
Book Designer: Judy Fung
Cover Designer: Archer Design
Cover Illustrator/Photographer: Photodisk and Victor Arre
Copyright © 2005 SYBEX Inc., 1151 Marina Village Parkway, Alameda, CA 94501. World rights reserved. The
author(s) created reusable code in this publication expressly for reuse by readers. Sybex grants readers limited
permission to reuse the code found in this publication or its accompanying CD-ROM so long as the author(s)
are attributed in any application containing the reusable code and the code itself is never distributed, posted online
by electronic transmission, sold, or commercially exploited as a stand-alone product. Aside from this specific excep-
tion concerning reusable code, no part of this publication may be stored in a retrieval system, transmitted, or repro-
duced in any way, including but not limited to photocopy, photograph, magnetic, or other record, without the prior
agreement and written permission of the publisher.
First edition copyright © 1999 SYBEX, Inc.
Second edition copyright © 2000 SYBEX, Inc.
Third edition copyright © 2002 SYBEX, Inc.
Fourth edition copyright © 2003 SYBEX, Inc.
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ISBN: 0-7821-4419-5
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TRADEMARKS: SYBEX has attempted throughout this book to distinguish proprietary trademarks from descrip-
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The author and publisher have made their best efforts to prepare this book, and the content is based upon final
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Manufactured in the United States of America
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To Our Valued Readers:
Thank you for looking to Sybex for your Java certification exam prep needs. We at Sybex are
proud of the reputation we’ve established for providing certification candidates with the prac-
tical knowledge and skills needed to succeed in the highly competitive IT marketplace.
The author, editors, and technical reviewers have worked hard to ensure that the updated
fifth edition of the
Complete Java 2 Certification Study Guide
you hold in your hands is com-
prehensive, in-depth, and pedagogically sound. We’re confident that this book will exceed the
demanding standards of the certification marketplace and help you, the Java certification can-
didate, succeed in your endeavors.
As always, your feedback is important to us. If you believe you’ve identified an error in the
book, please send a detailed e-mail to support@sybex.com. And if you have general comments
or suggestions, feel free to drop me a line directly at nedde@sybex.com. At Sybex we're con-
tinually striving to meet the needs of individuals preparing for certification exams.
Good luck in pursuit of your Java certification!
Neil Edde
Publisher—Certification
Sybex, Inc.
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