Professional Java JDK 6 Edition PDF
Preview Professional Java JDK 6 Edition
www.it-ebooks.info 01_777106 ffirs.qxp 12/5/06 5:58 PM Page i Professional Java® JDK® 6 Edition W. Clay Richardson, Donald Avondolio, Scot Schrager, Mark W. Mitchell, and Jeff Scanlon www.it-ebooks.info 01_777106 ffirs.qxp 12/5/06 5:58 PM Page ii Professional Java,®JDK®6 Edition Published by Wiley Publishing, Inc. 10475 Crosspoint Boulevard Indianapolis, IN 46256 www.wiley.com Copyright © 2007 by Wiley Publishing, Inc., Indianapolis, Indiana Published simultaneously in Canada ISBN-13: 978-0-471-77710-6 ISBN-10: 0-471-77710-2 Manufactured in the United States of America 10 9 8 7 6 5 4 3 2 1 1O/RU/RS/QW/IN No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except as permitted under Sections 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA01923, (978) 750-8400, fax (978) 646-8600. Requests to the Publisher for permission should be addressed to the Legal Department, Wiley Publishing, Inc., 10475 Crosspoint Blvd., Indianapolis, IN 46256, (317) 572-3447, fax (317) 572-4355, or online at http://www.wiley.com/go/permissions. LIMIT OF LIABILITY/DISCLAIMER OF WARRANTY:THE PUBLISHER AND THE AUTHOR MAKE NO REP- RESENTATIONS OR WARRANTIES WITH RESPECT TO THE ACCURACYOR COMPLETENESS OF THE CON- TENTS OF THIS WORK AND SPECIFICALLY DISCLAIM ALL WARRANTIES, INCLUDING WITHOUT LIMITATION WARRANTIES OF FITNESS FOR APARTICULAR PURPOSE. NO WARRANTYMAYBE CREATED OR EXTENDED BYSALES OR PROMOTIONALMATERIALS. THE ADVICE AND STRATEGIES CONTAINED HEREIN MAYNOT BE SUITABLE FOR EVERYSITUATION. THIS WORK IS SOLD WITH THE UNDERSTAND- ING THAT THE PUBLISHER IS NOT ENGAGED IN RENDERING LEGAL, ACCOUNTING, OR OTHER PRO- FESSIONALSERVICES. IF PROFESSIONALASSISTANCE IS REQUIRED, THE SERVICES OF ACOMPETENT PROFESSIONALPERSON SHOULD BE SOUGHT. NEITHER THE PUBLISHER NOR THE AUTHOR SHALLBE LIABLE FOR DAMAGES ARISING HEREFROM. THE FACT THAT AN ORGANIZATION OR WEBSITE IS REFERRED TO IN THIS WORK AS ACITATION AND/OR APOTENTIALSOURCE OF FURTHER INFORMA- TION DOES NOT MEAN THAT THE AUTHOR OR THE PUBLISHER ENDORSES THE INFORMATION THE ORGANIZATION OR WEBSITE MAYPROVIDE OR RECOMMENDATIONS IT MAYMAKE. FURTHER, READ- ERS SHOULD BE AWARE THAT INTERNET WEBSITES LISTED IN THIS WORK MAYHAVE CHANGED OR DISAPPEARED BETWEEN WHEN THIS WORK WAS WRITTEN AND WHEN IT IS READ. For general information on our other products and services or to obtain technical support, please contact our Cus- tomer Care Department within the U.S. at (800) 762-2974, outside the U.S. at (317) 572-3993 or fax (317) 572-4002. Library of Congress Cataloging-in-Publication Data Professional Java JDK, 6 Edition / W. Clay Richardson ... [et al.]. p. cm. Includes index. ISBN-13: 978-0-471-77710-6 (paper/website) ISBN-10: 0-471-77710-2 (paper/website) 1. Java (Computer program language) I. Richardson, W. Clay, 1976- QA76.73.J38P7623 2007 005.13’3—dc22 2006032740 Trademarks:Wiley and related trade dress are registered trademarks of Wiley Publishing, Inc., in the United States and other countries, and may not be used without written permission. All other trademarks are the property of their respective owners. Wiley Publishing, Inc., is not associated with any product or vendor mentioned in this book. Wiley also publishes its books in a variety of electronic formats. Some content that appears in print may not be available in electronic books. www.it-ebooks.info 01_777106 ffirs.qxp 12/5/06 5:58 PM Page iii This book is dedicated to all those who make the daily sacrifices, especiallythose who have made the ultimate sacrifice, to ensure our freedom and security. www.it-ebooks.info 01_777106 ffirs.qxp 12/5/06 5:58 PM Page iv About the Authors W. Clay Richardsonis a software consultant concentrating on agile Java solutions for highly specialized business processes. He has fielded many Java solutions, serving in roles including senior architect, development lead, and program manager. He is a co-author of More Java Pitfallsand Professional Portal Development with Open Source Tools(Wiley), and Professional Java, JDK 5 Edition. As an adjunct professor ofcomputer science for Virginia Tech, Richardson teaches graduate-level coursework in object-oriented development with Java. He holds degrees from Virginia Tech and the Virginia Military Institute. Donald Avondoliocurrently serves in a lead position as an architect/developer on an enterprise devel- opment project. In his spare time, Donald loves fly-fishing, watching baseball and lacrosse, running triathlons (not very well), and sitting around his house complaining about things. Scot Schragerhas consulted extensively in the domains of pharmaceuticals, supply chain management, and the national security market. He has led and participated in various project teams using Java and Object Oriented Analysis & Design techniques. Most recently, Schrager has been focused on distributed application architecture using J2EE technology. Mark W. Mitchellhas extensive experience in enterprise application integration, particularly Web Services integration between Java and the Microsoft platform. He has developed and deployed several mission-critical web applications. Mitchell holds a degree in computer science from the University of Virginia. Jeff Scanlonis a software development consultant from Virginia. He holds both the Sun Certified Java Developer and Microsoft Certified Solutions Developer certifications, and has been published in Software Developmentmagazine. www.it-ebooks.info 01_777106 ffirs.qxp 12/5/06 5:58 PM Page v Credits Acquisitions Editor Vice President and Executive Publisher Robert Elliott Joseph B. Wikert Development Editor Project Coordinator Brian Herrmann Kristie Rees Technical Editor Graphics and Production Specialists David Parks Carrie A. Foster Brooke Gracyzk Production Editor Denny Hager Kathryn Duggan Joyce Haughey Barbara Moore Copy Editor Barry Offringa Kim Cofer Alicia B.South Ronald Terry Editorial Manager Mary Beth Wakefield Quality Control Technicians John Greenough Production Manager Charles Spencer Tim Tate Brian H. Walls Vice President and Executive Group Publisher Proofreading and Indexing Richard Swadley Techbooks and Stephen Ingle Anniversary Logo Design Richard Pacifico www.it-ebooks.info 01_777106 ffirs.qxp 12/5/06 5:58 PM Page vi www.it-ebooks.info 02_777106 ftoc.qxp 11/28/06 10:35 PM Page vii Contents Acknowledgments xv Introduction xvii Part I: Thinking Like a Java Developer 1 Chapter 1: Key Java Language Features and Libraries 3 Introducing Derby 3 Using Derby 4 Language Features Added in Java 5 7 Generics 7 Enhanced for Loop 16 Additions to the Java Class Library 17 Variable Arguments 18 Boxing and Unboxing Conversions 19 Static Imports 21 Enumerations 24 Metadata 26 Important Java Utility Libraries 34 Java Logging 35 Java Preferences 70 Summary 77 Chapter 2: Tools and Techniques for Developing Java Solutions 79 Principles of Quality Software Development 80 Habits of Effective Software Development 81 Communicate 81 Model 81 Be Agile 81 Be Disciplined 82 Trace Your Actions to Need 82 Don’t Be Afraid to Write Code 83 Think of Code as a Design,not a Product 83 www.it-ebooks.info 02_777106 ftoc.qxp 11/28/06 10:35 PM Page viii Contents Read a Lot 84 Build Your Process from the Ground Up 84 Manage Your Configuration 84 Unit Test Your Code 85 Continuously Integrate 85 Maintaining Short Iterations 86 Measure What You Accomplished — Indirectly 87 Track Your Issues 87 Development Methodology 88 Waterfall Methodology 88 Unified Process 90 Extreme Programming 91 Observations on Methodology 92 Practical Development Scenarios 93 Ant 93 Maven 2 101 TestNG 106 XDoclet 110 JMeter 117 Summary 120 Chapter 3: Exploiting Patterns in Java 123 Why Patterns Are Important 124 Keys to Understanding the Java Programming Language 124 Keys to Understanding Tools Used in Java Development 125 Keys to Developing Effective Java Solutions 126 Building Patterns with Design Principles 127 Designing a Single Class 127 Creating an Association between Classes 128 Creating an Interface 129 Creating an Inheritance Loop 129 Important Java Patterns 131 Adapter 131 Model-View-Controller 134 Command 142 Strategy 146 Composite 150 Summary 154 viii www.it-ebooks.info 02_777106 ftoc.qxp 11/28/06 10:35 PM Page ix Contents Part II: A Broad Understanding of Java APIs, Tools, and Techniques 155 Chapter 4: Developing Effective User Interfaces with JFC 157 Layout Managers 158 BorderLayout 158 BoxLayout 164 FlowLayout 173 GridLayout 177 GridBagLayout 189 SpringLayout 194 CardLayout 202 GroupLayout 208 Mustang Release Desktop Enhancements 214 Managing Navigation Flows in Swing Applications 225 Summary 235 Chapter 5: Persisting Your Application Using Files 237 Application Data 237 Saving Application Data 239 Sample Configuration Data Model for an Application 239 Java Serialization: Persisting Object Graphs 241 Key Classes 242 Serializing Your Objects 243 Extending and Customizing Serialization 257 When to Use Java Serialization 261 JavaBeans Long-Term Serialization: XMLEncoder/Decoder 262 Design Differences 262 Serializing Your JavaBeans 265 When to Use XMLEncoder/Decoder 269 Flexible XML Serialization: Java API for XML Binding (JAXB) 270 Sample XML Document for the Configuration Object 271 Defining Your XML Format with an XML Schema 273 JAXB API Key Classes 280 Marshalling and Unmarshalling XML Data 281 Creating New XML Content with JAXB-Generated Classes 283 Using JAXB-Generated Classes in Your Application 283 ix www.it-ebooks.info
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