Table Of Content

i What’s New in This Edition Over the last few years Java has been maturing and evolving into the latest Java release, 1.1—a much more robust programming language. This edition of the Java Developer’s Guide has been updated to match this new release and show you the new maturity and capability of the language. As well as reorganizing the material in the text to make it easier to understand, we have added some informational chapters to help you understand the Java paradigm by tying together some of the less obvious concepts. We also have added additional technical chapters, specifically coverage of the remote invocation package, the SQL package, printing, security, and many other new concepts. When studying the trends in Java development, we found that the future of Java is dependent upon database architecture and the implementation of distributed applications. For this reason, we added two new sections with multiple chapters to help you understand these most important features in Java. At the same time we know that without enhanced security, any application is doomed; therefore, we’ve added coverage of the new security features of Java 1.1 also. Although you’ll see other new topics covered in the book, don’t skip over Java’s latest component technology. We’ve provided an in-depth coverage of JavaBeans and what it means to the application environment. 00.283-8 FM 1 9/8/97, 9:31 AM Java 1.1 Developer’s Guide ii 00.283-8 FM 2 9/8/97, 9:31 AM iii JAVA 1.1 Developer’s Guide Second Edition Jamie Jaworski Joe Author 201 West 103rd Street S a m s . n e t D e v e l o p e r ’ s G u i d e Indianapolis, Indiana 46290 00.283-8 FM 3 9/8/97, 9:31 AM Java 1.1 Developer’s Guide iv This book is dedicated to my parents, Stanley and Gloria. Acquisitions Editor Christopher Denny Development Editor Copyright © 1997 by Sams.net Publishing Anthony Amico SECOND EDITION Software Development Specialist Brad Myers All rights reserved. No part of this book shall be reproduced, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying, Production Editor recording, or otherwise, without written permission from the publisher. No Colleen Williams patent liability is assumed with respect to the use of the information contained herein. Although every precaution has been taken in the preparation of this Indexer book, the publisher and author assume no responsibility for errors or omissions. Christine Nelsen Neither is any liability assumed for damages resulting from the use of the Technical Reviewer information contained herein. For information, address Sams.net Publishing, Craig Olague 201 W. 103rd St., Indianapolis, IN 46290. Jeff Perkins International Standard Book Number: 1-57521-283-8 Editorial Coordinators Library of Congress Catalog Card Number: 96-72399 Mandie Rowell Katie Wise 2000 99 98 97 4 3 2 1 Technical Edit Coordinator Interpretation of the printing code: the rightmost double-digit number is the year of the book’s printing; the rightmost single-digit, the number of the book’s Lynette Quinn printing. For example, a printing code of 97-1 shows that the first printing of the Editorial Assistants book occurred in 1997. Carol Ackerman Composed in AGaramond and MCPdigital by Macmillan Computer Publishing Andi Richter Rhonda Tinch-Mize Printed in the United States of America Karen Williams Trademarks Cover Designer Alyssa Yesh All terms mentioned in this book that are known to be trademarks or service marks have been appropriately capitalized. Sams.net Publishing cannot attest to Book Designer the accuracy of this information. Use of a term in this book should not be Anne Jones regarded as affecting the validity of any trademark or service mark. Java is a Copy Writer registered trademark of Sun Microsystems, Inc. David Reichwein Production Team Supervisors President, Sams.net Publishing Richard K. Swadley Brad Chinn Publishing Manager Greg Wiegand Charlotte Clapp Director of Editorial Services Cindy Morrow Production Managing Editor Kitty Wilson Jarrett Mona Brown Jeanne Clark Director of Marketing Kelli Spencer Jennifer Dierdorff Product Marketing Managers Wendy Gilbride Lana Dominguez Kim Margolius Brad Lenser Becky Stutzman Associate Product Marketing Manager Jennifer Pock Marketing Coordinator Linda Beckwith 00.283-8 FM 4 9/8/97, 9:31 AM Overview v Introduction xxxv Part I Introduction to Java 1 The Java Phenomenon 3 2 Java Overview 11 3 Using the Java Development Kit 25 Part II Programming in Java 4 First Programs: Hello World! to BlackJack 47 5 Classes and Objects 89 6 Interfaces 123 7 Exceptions 145 8 Multithreading 159 9 Using the Debugger 173 10 Automating Software Documentation 187 11 Language Summary 199 Part III Using the Java API 12 Portable Software and the java.lang Packages 217 13 Stream-Based Input/Output and the java.io Package 243 14 Useful Tools in the java.util and java.math Packages 283 15 Window Programming with the java.awt Packages 309 16 Web Programming with the java.applet Package 329 17 Network Programming with the java.net Package 343 18 Building Distributed Applications with the java.rmi Packages 371 19 Connecting to Databases with the java.sql Package 385 20 Security and the java.security Packages 405 21 Internationalization and the java.text Package 425 22 Building Reusable Components with java.beans 441 00.283-8 FM 5 9/8/97, 9:31 AM Java 1.1 Developer’s Guide vi Part IV Window Programming 23 Opening Windows 461 24 Organizing Window Programs 481 25 Menus, Buttons, and Dialog Boxes 513 26 Checkboxes, Choices, and Lists 539 27 Text and Fonts 553 28 The Canvas 573 29 Scrollbars 593 30 Printing 615 31 Using the Clipboard 627 32 Using Animation 639 33 The Future of AWT 651 Part V Network Programming 34 Client Programs 659 35 Server Programs 677 36 Content Handlers 691 37 Protocol Handlers 699 38 Using Jeeves 705 39 Working with the Java Management API 723 Part VI Web Programming 40 Sample Applets 733 41 Developing Applets 749 42 Using .jar Files and Signed Applets 755 43 Working with Netscape’s LiveConnect 773 44 Using JavaBeans 783 45 Java Commerce 807 46 Server-Side Web Programming with Java 813 47 Java Broadcasting and Castanet 821 00.283-8 FM 6 9/8/97, 9:31 AM Overview vii Part VII Database Programming 48 Database Fundamentals 843 49 Using JDBC 859 50 Integrating Database Support into Web Applications 881 Part VIII Developing Distributed Applications 51 Distributed Applications Architecture 903 52 Remote Method Invocation 915 53 Using Object Serialization 933 54 Java IDL and ORBs 943 55 Network Computers and JavaStation 951 Part IX Extending Java 56 Java Platform and Extensions 963 57 Java Development Tools 969 58 The JavaOS 975 59 Creating Native Methods 983 60 Java Security 991 Part X Appendixes A Differences Between Java and C++ 1003 B Moving C/C++ Legacy Code to Java 1011 Index 1019 00.283-8 FM 7 9/8/97, 9:31 AM viii Java 1.1 CDeveolopenr’s Gtueidents Introduction xxxv I Introduction to Java 1 The Java Phenomenon 3 What Is Java? ...........................................................................................5 The Origin of Java ...................................................................................6 Why Program in Java?..............................................................................7 Java and HotJava......................................................................................9 Summary................................................................................................10 2 Java Overview 11 Getting the JDK.....................................................................................12 A Quick Tour of the JDK......................................................................14 The Java Language.................................................................................17 Java Is Familiar and Simple................................................................17 Java Is Object-Oriented.....................................................................17 Java Is Safer and More Reliable..........................................................18 Java Is Secure.....................................................................................18 Java Is Multithreaded.........................................................................19 Java Is Interpreted and Portable.........................................................20 Java Is the Programming Language of the Web..................................20 The Java API..........................................................................................21 Summary................................................................................................23 3 Using the Java Development Kit 25 Overview................................................................................................26 The Compiler ........................................................................................28 Using Classes from Other Packages ...................................................28 Setting Your CLASSPATH......................................................................29 Changing the Root Directory............................................................31 Generating Debugging Tables ...........................................................31 Code Optimization............................................................................31 Suppressing Warnings .......................................................................31 Using Verbose Mode.........................................................................32 Other Compiler Options...................................................................32 The Interpreter.......................................................................................32 Help and Version Information ..........................................................33 Changing the CLASSPATH ....................................................................33 00.283-8 FM 8 9/8/97, 9:31 AM ix Checking for Source Code Changes...................................................34 Verifying Your Code..........................................................................34 Controlling the Garbage Collector.....................................................35 Changing Properties..........................................................................35 Setting Memory and Stack Limits......................................................36 Debugging Options...........................................................................37 The Debugger........................................................................................37 The Disassembler...................................................................................38 The Applet Viewer.................................................................................39 Running the Demo Programs............................................................40 Automating Software Documentation....................................................41 Header File Generation..........................................................................42 Other Tools ...........................................................................................43 Summary................................................................................................43 II Programming in Java 4 First Programs: Hello World! to BlackJack 47 Hello World!..........................................................................................48 Comments.........................................................................................50 Java Program Structure......................................................................51 Package Statement.............................................................................51 The import Statement........................................................................52 Classes and Methods..........................................................................53 The System Class ...............................................................................53 I Can Read!............................................................................................54 Overview of ICanReadApp...................................................................55 Declaring Variables and Creating Objects..........................................56 Identifiers and Keywords ...................................................................56 Using System.in ................................................................................57 Type This!..............................................................................................58 Overview of TypeThisApp...................................................................59 The Primitive Java Data Types..........................................................59 Literal Values.....................................................................................59 BlackJack ...............................................................................................60 Overview of BlackJackApp .................................................................67 Arrays................................................................................................81 Statements.........................................................................................82 Summary................................................................................................87 00.283-8 FM 9 9/8/97, 9:31 AM Java 1.1 Developer’s Guide x 5 Classes and Objects 89 Object-Oriented Programming Concepts...............................................90 It’s an Object-Oriented World ..........................................................90 Composition and Reuse.....................................................................91 Classes...............................................................................................92 Classification and Inheritance............................................................92 Multiple Inheritance..........................................................................94 Messages, Methods, and Object Interaction.......................................95 Encapsulation....................................................................................95 Polymorphism...................................................................................96 Dynamic Binding..............................................................................96 Java Classes ............................................................................................96 Class Syntax.......................................................................................97 The Point Class.................................................................................97 Class Modifiers..................................................................................98 Extending Superclasses ......................................................................99 Adding Body to Classes .....................................................................99 The CGrid Class...............................................................................101 The CGObject Class..........................................................................103 The PrintCGrid Class.......................................................................104 The BorderedPrintCGrid Class.........................................................106 The CGPoint Class............................................................................108 The CGBox Class...............................................................................109 The CGText Class .............................................................................111 The KeyboardInput Class .................................................................112 The CDrawApp Program.....................................................................113 Running CDrawApp ...........................................................................116 CDrawApp’s Implementation of Object-Oriented Concepts ...............121 Summary..............................................................................................122 6 Interfaces 123 The Purpose of Java Interfaces..............................................................124 The Benefits of Interfaces.....................................................................124 Declaring Interfaces..............................................................................125 Implementing Interfaces.......................................................................126 The CDrawApp Interface Example...........................................................126 The CGTextEdit Interface.................................................................127 Updating the CGText Class...............................................................127 The CGTextPoint Class.....................................................................128 The CGTextBox Class........................................................................130 Updating the CDraw Class.................................................................131 Running the Example......................................................................135 Example Summary...........................................................................139 00.283-8 FM 10 9/8/97, 9:31 AM

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Java 1.1 Developer's Guide PDF

1142 Pages·1997·7.91 MB·English

by Jamie Jaworski

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Decent one for anybody trying to grasp Java - with an abundantly available time of course.

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Title:	Java 1.1 Developer's Guide
Author:	Jamie Jaworski
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Publication date:	1997
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Document length:	1142 pages
Written in:	English
Digital size:	7.91
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