免费的Java电子书籍和技术文章:

http://java.sun.com/docs/books/jls/second_edition/html/j.title.doc.html
Java语言规范 - 第二版 - This book attempts a complete specification of the syntax and semantics of the language. We intend that the behavior of every language construct is specified here, so that all implementations will accept the same programs.

http://www.artima.com/objectsandjava/webuscript/index.html
对象与Java:使用Java来构建面向对象的，多线称的应用程序 - by Bill Venners - this free book is a work-in-progress.

http://books.iuniverse.com/viewbooks.asp?isbn=15834821801&page=1
Java1.1的面向对象程序设计原理 - The Practical Guide to Effective, Efficient Program Design. (free book)

http://books.iuniverse.com/viewbooks.asp?isbn=05951350051&page=fm1
Java 与Internet 安全- This book offers you introductory and advanced discussions of the hottest security technologies for developing and understanding successful e-business applications. (free book)

http://readingroom.elpress.com/readittoc.jsp?Book=0077094603
Java: 一个面向对象的程序设计语言 - free book. By Michael Smith, publication date: 1999, number of pages: 494.

http://readingroom.elpress.com/readittoc.jsp?Book=0471258415
Java设计模式,第 2卷 - free book.  By Mark Grand, publication date: 1999, number of pages: 368.

http://books.iuniverse.com/viewbooks.asp?isbn=15834821721&page=fm1
VB程序员到Java - Java is really quite easy to learn if you have some Visual Basic experience. Furthermore, it gives you a powerful way of moving from standalone Windows programming to GUI programming of web pages and interactions of client and server processes across networks. (free book)

这是一本非常好的书，在书店需要你$50.00美金
精通Enterprise Java Beans和Java 2平台，??????
http://theserverside.com/resources/books/ejb-book-roman.zip
This is a Free electronic download for viewing Ed Roman's book, 'Mastering Enterprise Java Beans'. This book costs almost $50.00 at the bookstores, but is now available for free. This is a must have book for those learning and understanding EJBs.


来自Oreilly的免费书籍章节：

http://fatbrain.oreilly.com/catalog/javacook/ch18.html
Web Server Java: Servlets and JSP -chapter from Java Cookbook

http://fatbrain.oreilly.com/catalog/javaxml2/ch12.html
SOAP -chapter from Java & XML, 2nd Edition

http://fatbrain.oreilly.com/catalog/javaxslt/ch05.html
XSLT Processing with Java -chapter from Java and XSLT

http://fatbrain.oreilly.com/news/javaxslt_0801.html
Top Ten Java and XSLT Tips -by Eric M. Burke, author Java and XSLT

http://www.oreilly.com/catalog/javanut3/chapter/ch04.html
The Java Platform -chapter from Java In a Nutshell, 3rd Edition

http://www.oreilly.com/catalog/jfcnut/chapter/ch03.html
Swing Programming Topics -chapter from Java Foundation Classes in a Nutshell

http://www.oreilly.com/catalog/jentnut/chapter/ch04.html
Java IDL -chapter from Java Enterprise in a Nutshell

http://www.oreilly.com/catalog/jenut2/chapter/ch19.html
XML -chapter from Java Examples in a Nutshell, 2nd Edition

http://www.oreilly.com/catalog/jservlet2/chapter/ch12.html
Enterprise Servlets and J2EE -chapter from Java Servlet Programming, 2nd Edition

http://www.oreilly.com/catalog/jservlet/chapter/ch03.html
The Servlet Life Cycle -chapter from Java Servlet Programming

http://www.oreilly.com/catalog/jserverpages/chapter/ch05.html
Generating Dynamic Content -chapter from JavaServer Pages

http://www.oreilly.com/catalog/javadc/chapter/ch03.html
Distributing Objects -chapter from Java Distributed Computing

http://www.oreilly.com/catalog/jthreads2/chapter/ch01.html
Java Distributed Computing -chapter from Java Threads, 2nd Edition

http://www.oreilly.com/catalog/javabeans/chapter/ch01.html
Introduction -chapter from Developing Java Beans

http://www.oreilly.com/catalog/javadata/chapter/ch04.html
Database Access Through JDBC -chapter from Database Programming with JDBC and Java

http://www.oreilly.com/catalog/javasec/chapter/ch01.html
Java Application Security -chapter from Java Security

http://www.oreilly.com/catalog/javacrypt/chapter/ch06.html
Authentication -chapter from Java Cryptography

http://www.oreilly.com/catalog/jswing/chapter/index.html
4 Free Chapters from Java Swing

http://www.oreilly.com/catalog/entjbeans2/chapter/ch04.html
Developing Your First Enterprise Beans -chapter from Enterprise JavaBeans, 2nd Edition

http://www.oreilly.com/catalog/javanp2/chapter/ch11.html
Sockets for Servers -chapter from Java Network Programming, 2nd Edition

http://www.oreilly.com/catalog/javaio/chapter/ch05.html
Network Streams -chapter from Java I/O

http://www.oreilly.com/catalog/java2d/chapter/ch04.html
Painting and Stroking - chapter from Java 2D Graphics

http://www.javasoft.com/docs/books/tutorial/index.html
Java指南- This is a practical guide for programmers with hundreds of complete, working examples. The Tutorial is organized into trails--groups of lessons on a particular subject.

http://chichi.snm.emu.id.au/~scott/java/servletdoc/
Java Servlet 文档

Chapter 1 - A Revisionist History of Programming - from Java Principles of Object-Oriented Programming

http://www.empowermentzone.com/thinkjav.zip
Java编程思想

http://www.empowermentzone.com/java_age.zip
使用VisualAge 编写Java 程序

http://www.empowermentzone.com/javatalk.zip
Java Speech API 开发者指南

http://www.empowermentzone.com/java_tut.zip
Sun Microsystems 的Java指南

http://www.empowermentzone.com/javahelp.zip
Collection of Java help files

http://www.empowermentzone.com/jdk11doc.zip
Java1.1 开发包完全开发文档

http://www.empowermentzone.com/java28dy.zip
28天自学Java

http://www.empowermentzone.com/java_use.zip
使用Java

http://www.kaposnet.hu/books/javabyexample/index.htm
http://screech.cs.alfred.edu/~fogelmdj/JavaBook/index.htm
Java例子by Clayton Walnum

http://www.kaposnet.hu/books/hackjava/index.htm
Java 专家解决方案by Mark Wutka

http://www.kaposnet.hu/books/javaunleashed/htm/toc.htm
Java 1.1??????by Macmillan Computer Publishing

http://www.kaposnet.hu/books/javabeans/index.htm
介绍 JavaBeans by Michael Morrison

http://www.kaposnet.hu/books/profiapplet/index.htm
开发专业的Java Applets by K.C. Hopson and Stephen E.Ingram

http://tango.ce.cctpu.edu.ru/java/JavaUnleashed/httoc.htm
Java ??????

http://tango.ce.cctpu.edu.ru/java/Internet%20Game%20Programming%20with%20Java/
Internet游戏???序21天自学通

http://freebooks.by.ru/view/JavaDevelopersGuide/index.htm
Java 开发手册

http://freebooks.by.ru/view/JavaQuickReference/ewtoc.html
Java 快速参考

http://linux.manas.kg/books/java_michael_morrison/
Java 第二版

http://linux.manas.kg/books/java_1.1/htm/toc.htm
Java 1.1 发布版

http://www.docs.rinet.ru:8080/langspec-1.0
Java 1.0 官方规范

http://www.docs.rinet.ru:8080/jdk1.0/api
JDK 1.0 手册

http://www.docs.rinet.ru:8080/Javalocale
Java Locale

http://www.docs.rinet.ru:8080/vmspec
Java虚拟机规范

http://www.docs.rinet.ru:8080/JavDev
Java 开发者手册

http://www.docs.rinet.ru:8080/Jintra
Intranet With Java

http://www.docs.rinet.ru:8080/UJ11
使用Java 1.1

http://www.docs.rinet.ru:8080/Marimba
Marimba

http://www.docs.rinet.ru:8080/OLDui/OLDui

使用java.awt 创建用户界面

http://www.docs.rinet.ru:8080/KofeynyyPrimer
Java 例子

http://www.docs.rinet.ru:8080/JSol
Java专家方案

http://www.docs.rinet.ru:8080/JWP
使用Java开发Web程序

http://www.docs.rinet.ru:8080/langenviron
Java语言环境

http://www.docs.rinet.ru:8080/Jtuta
Sun Microsystems 的Java手册

http://www.docs.rinet.ru:8080/jdk1.2/docs
JDK 1.2 手册

http://www.docs.rinet.ru:8080/codeconv
Java代码书写习惯

http://www.docs.rinet.ru:8080/WebApp
使用Java 创建Web Applet

http://www.docs.rinet.ru:8080/JaTricks
Java 技巧

http://www.docs.rinet.ru:8080/JavaBeans
介绍Java Beans

http://www.docs.rinet.ru:8080/SexJava
探索Java

http://www.dcs.napier.ac.uk/~bill/jbook.html
6章在线免费, 精通 Java

ftp://dl3.51soft.com:8384/jav028.zip
21天自学java (389 KB, html format) - This book teaches you all about the Java language and how to use it to create applets and applications. Here is another download.

ftp://dl3.51soft.com:8384/jav025.zip
介绍Java Beans (201KB, html format) (#695)

ftp://dl3.51soft.com:8384/jav007.zip
Java 开发者指南(1181 KB, html format) 

tp://dl3.51soft.com:8384/jav008.zip
Java 开发者参考 (2574 KB, html format) (#699)

ftp://dl3.51soft.com:8384/jav006.zip
Java 例子 (3769 KB, html format) (#697)

ftp://dl3.51soft.com:8384/jav003.zip
开发专业Java Applets (1244 KB, html format) (#981)

ftp://dl3.51soft.com:8384/jav001.zip
使用Java创建Web Applet (4860 KB, html format) - We hope that this book will begin to show you what Java is and what Java is not.

ftp://dl3.51soft.com:8384/jav004.zip
使用 Java开发 Intranet应用程序 (1687 KB, html format) - After reading this book, you should have a good understanding of programming Java applications and how to apply that toward creating applications of your own.

ftp://dl3.51soft.com:8384/jav002.zip
???? Java??? Intranet??????? 1627 KB (#983)

http://www.nopayweb.com/computerbook/java.shtml
更多免费的在线书籍

Java 白皮书:

Java White Papers from Sun

Java 2 Technology White Papers from IBM

Scott Ambler's Online Writings

Javageeks.com White Papers

JBuilder and Java White Papers from Borland and more of same

ITworld.com White Papers and Analyst Reports Database: Search Results for Java

Wireless Java Presentations and Papers

Java Technology for Business Intelligence (free registration)

JavaBeans and EJB Primer

J2EE vs. Microsoft.NET - A comparison of building XML-based web services - In this whitepaper, we will make a powerful comparison between the two choices that businesses have for building XML-based web services.

Bean Connect: Using Java Objects To Implement Crossware Programs - Describes a new Java program model for creating crossware applications that support multiple Java objects running in the same execution space.

J2EE and JDBC: Foundations for Enterprise Computing (.pdf) - Explains how JDBC fits into an enterprise Java architecture.

Designing Performance-Optimized JDBC Applications (.pdf)- How to use various design and implementation methods so your JDBC applications run more efficiently and generate less network traffic. Includes code examples.

Does training influence the quality of the software development process? (Peer Publishing)

Stepping Up to Java 2, Enterprise Edition (Industry Articles)

The Essence of OOP using Java, Classes (Industry Articles)

The Essence of OOP Using Java, Objects, and Encapsulation (Industry Articles)

JTable (FAQs)

To EJB...or Not (Industry Articles)

Are There Limits to Software Estimation? (Industry Articles)

The Secure World of Tomcat 4 (Industry Articles)

Implementing Status Accounting (Peer Publishing)

Windows, Panes, and Frames (Vendor Papers)

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