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To Kathryn. A dedication haiku:
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1996 by Sams.net Publishing
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Thanks to Oracle for creating a very cool language! Thanks to the people at Sams-most importantly, Beverly Eppink. This tutorial would not have been possible without the idea she originally gave to me. I'd also like to thank Kelly Murdock for keeping me, and the tutorial, on track. Thanks!! I'd like to thank my Internet Service Provider (again!) for providing me with excellent Internet service throughout the writing process. Thanks to Karl Denninger and the folks at MCSNet in Chicago. Keep up the good work! Thanks to all my friends at work who helped and encouraged me, especially Eric Reiner and Nick Athanas. Thanks also to Maureen Smith for putting up with me while I did this again! I'd also like to thank my close friends. With their support, I was able to hide in my office at home and write. I missed many good Friday evenings at George and Alex's because of this tutorial. So thanks to Tom and Nancy Lynch, Tom and Karen Kenny, George Walker, Alex Weismantel, and Jim Burck. (Have I been more sociable lately, Alex?) I'd like to thank my animals for staying out of my hair: Grendl (Great Dane), Cecil (Dachshund), Buttons (Calico Cat), T.C. (Tabby Cat), and Kato (Tabby Cat). Lastly, I'd like to thank my wife. Without her support, an endeavor such as this would not be possible. Thanks, Kathryn! Jeen Velly & nbsp; ; &nb sp; & nbsp; -Jerry Ablan
Jerry Ablan (munster@mcs.net) is best described as a computer nut. Jerry has been involved in computers since 1982. He has worked on and owned a variety of microcomputers including several that are no longer manufactured. He has programmed in many languages, including several that are not cool (such as RPG II). Jerry is a Senior Software Engineer at the Chicago Board Options Exchange. There he creates client/server systems for IBM, HP, and microcomputer platforms. He (and his wife) can't believe that people pay him money to program computers! Jerry is a member of TeamJava (http://www.teamjava.com), the Java Developer's Organization (http://www.jade.org), and the Illinois Java User's Group (http://www.xnet.com/~rudman/java.html). The Chicago Java User's Group was a little too snooty for him. Jerry lives in a Chicago suburb with his wife Kathryn, their two dogs (Grendl and Cecil), three cats (Uncle Pat, T.C., and Kato), and a tank full of fish. When not working, writing, or otherwise cavorting, Jerry and his brother Dan (dma@mcs.net) operate NetGeeks (http://www.netgeeks.com), an Internet consulting firm in Chicago, Illinois. Jerry is coauthor of the Web Site Administrator's Survival Guide from Sams.net and a contributing author to Using Java and Platinum version: Using HTML, Java, and CGI from Que, as well as Java Unleashed and Intranets Unleashed from Sams.net. William R. Stanek (director@bugmenot.com) is a leading Internet technology expert and a working professional who directs an Internet start-up company called The Virtual Press (http://tvp.com/ and mirror site http://www.tvpress.com/). As a uploader and writer with over 10 years experience on networks, Stanek brings a solid voice of experience on the Internet and electronic publishing to his many projects. He has been involved in the commercial Internet community since 1991 and was first introduced to Internet e-mail in 1988 when he worked for the government. His years of practical experience are backed by a solid education, Master of Science in Information Systems and a Bachelor of Science in Computer Science. In addition to authoring best-sellers such as Sams.net's Web Publishing Unleashed and Microsoft FrontPage Unleashed, Stanek advises corporate clients and develops hot new Web sites. Rogers Cadenhead (rcade@airmail.net) is a Web developer, computer programmer, and writer who created the multiuser games Czarlords and Super Video Poker. Coauthor of Teach Yourself SunSoft Java Workshop in 21 Days, he also writes an advice column, "Ask Ed Brice," in the Fort Worth Star-Telegram, and has programmed Java apps for Tele-Communications, Inc. and other clients.
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Comments Department Sams Publishing 201 W. 103rd Street Indianapolis, IN 46290 |
Hello, and welcome to Developing Intranet apps with Java. I hope you enjoy this tutorial as much as I enjoyed writing it. This is a tutorial that represents a lot of work in the area of Java app coding and design. It is designed to hold your hand while you journey through the hills and valleys of Java app programming. You needn't be creating Intranet apps specifically to use this tutorial. It does, however, focus on corporate and Intranet app development. More importantly, its focus is Java app programming. Even though the apps might not be your cup of tea (or coffee!), the concepts and source code presented in this tutorial will be of value. After reading this tutorial, you should have a good understanding of coding Java apps and how to apply that toward creating apps of your own, Intranet-specific or not. This knowledge will help you at work or at play, but most of all it will help you be a better Java programmer and provide you with a rich source code base to use as your coding foundation.
Although this tutorial is geared toward experienced programmers, beginning programmers will find it useful as well. However, you should have some experience with C, C++, or Java. It would help if you had some database coding experience as well.
This tutorial is divided into four distinct parts. I'll go over each section in detail and give you a little background on its purpose and content.
The first part gives you a little background information on intranets. Many readers might not be familiar with the term intranet and its implications. Some of the topics covered in this section are
After finishing the first part of this tutorial, you should have some good, solid knowledge about integrating Java apps into your intranet plans. You will also gain a little insight about developing intranet apps.
This part examines some of the more pressing issues in intranet development with Java. Areas covered in this section are
This part introduces you to an app framework for building intranet apps. This framework is called JIF. JIF stands for Java Intranet Framework. JIF is a made up of several Java packages and is included on the CD-ROM. You can use JIF to create your own apps, or you can modify it for your own needs. It's up to you!
This section covers the foundations of a framework and builds upon it. Before any classes are discussed, however, a model intranet app is presented. This app becomes the driving force of the class creation for the rest of this section. It is also the model used for the sample apps in the next section.
This section presents eight sample intranet apps. These apps are real-world examples of using Java to create database-aware intranet apps. The apps presented are
These are fully functioning apps that really do work! The source code for them is included on the CD-ROM.
The following type conventions are used throughout this tutorial: Italic type is used for
Monospaced type is used for
Monospaced Italic type is used for
There are also some special conventions used when discussing parameters of classes and functions in their declarations. These conventions are similar to most other coding tutorials that you've seen. They are as follows:
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