A collection of tutorials for the Java programming language.

An open-source, Java-based development environment.

Hosts the book The Design Patterns Java Companion in several different formats.

Collection of useful Java programming examples and documentation.

The Java 2 version 5.0 API.

This site supports Open-Source projects such as Tomcat and provides code and code samples in Java including calendars and more.

Powerful high performance object/relational persistence and query service which lets you develop persistent classes following object-oriented idiom.

This site offers information about the leading full-stack Java/JEE application framework. It is led and sustained by Interface21 and can deliver significant benefits for many projects. Some benefits are increasing development productivity and runtime performance and improving test coverage and application quality. Also offers information about upcoming trainings and releases.

Offers JAVA tips and tutorials.

Through this website, you can learn about various aspects of Java, take a peek at new Java features, and read blogs about Java.

description of PMD software that scans Java source code and looks for problems.

This site is a course in Java. You take Tests, and move from one belt color to the next as you progress to the next level, much like in karate, or jujitsu. when you achive the black belt you are a master java user.

JDocs is a site for online for Java API documentation. This site is a part of Javalobby Network. It is one of the Worlds Largest JavaDoc Repository. Commonly used javadocs for a variety of popular packages are loaded can downloaded from this site. User can also contribute their comments to any class, field or method.

A magazine-like website that provides columns in the area of Java Performance and training.

Resources for Java Programmers with a curious approach: ranch-related terms are used to refer to several site features.

JSP Tutorials and examples, you will find many examples with working source code.

Javalobby.org is a top Java site where members enjoy free Java presentations, articles, Java books, news, forums & announcements.

Reference Cards in different computer languages. The site is a table of download cards in different sites.

Jad - the fast JAva Decompiler is a free for non-commercial use Java decompiler.

Example Java code.

PDFBox is a site where an open source Java PDF library for working with PDF documents is available . PDF documents can be created and manipulated. Here Downloads, Forums, Issues Discussions, references and Release Notes are available. Command Line Utilities and Developers Guide are also available.

The PHP/Java bridge allows you to access Java classes from within PHP and PHP scripts from within Java. There are examples and info on this site.

This is where Java[TM] technology collaboration happens. java.net is a new central meeting place for developers and Java technology enthusiasts to collaborate on projects, share ideas, and create the next big thing.

This site describes JGoodies a product that helps make Java look good and work well. It allows you to test it Swing tools and provides demos.

This website is a detailed tutorial on Servlets and JavaServer pages. It includes introductions to each topic, a detailed explanation, and an example.

Offers presentations of JAVA tasks, practices and designs.

The official site of the book Killer Game Programming in Java, resources, sample of chapters and source code.

A portfolio of websites rich in Sun Java News, J2EE News, Java Articles, Java Blogs, Java Groups and Java Forums. Java developers, Java Architects and Java Managers can read daily news, articles and blogs through the convenience of your favorite browser. Java websites can join by submitting their Java feed link. Java users can be reached by Java sites instead of them searching for sites and links.

It's a online community for enterprise Java architects and developers, with blogs, articles, discussion groups, downloads

This website is for EMMA: a free Java code coverage tool, including information and downloads.

This is the web page for FindBugs, a program which looks for bugs in Java code.

Java Open Single SignOn is an open source J2EE-based SSO infrastructure that provides a solution for centralized platform neutral user authentication

for java and computer software

Blogs, news, articles, and links about Java programming on the desktop.

Java Notes, information about java language lecture about its contents

A website dedicated to the development and refinement of Java based programming and related technologies.

This site provides open source information and applications for JAVA.

This site provides an overview of Json-RPC-Java , java application middleware; documentation, demos, developer resources, news, and a mailing list.

Information and Tutorials about JSP.

A list of the API specification for the Java 2 Platform, Standard Edition, version 1.4.2.

A list of 'infrequently answered questions' about the Java programming language, with a bit of humor mixed in.

A Sun Microsystems White Paper outlining how developers and system administrators can fine tune their Java environments for the best performance.

Java Optimize and Decompile Environment -- a decompiler for Java files

Launch4j is a cross-platform tool for wrapping Java applications distributed as jars in lightweight Windows native executables. The executable can be configured to search for a certain JRE version or use a bundled one, and it's possible to set runtime options, like the initial/max heap size. The wrapper also provides better user experience through an application icon, a native pre-JRE splash screen, a custom process name, and a Java download page in case the appropriate JRE cannot be found.

This site is a documenting of a groups evaluation process of a platform of Ruby On Rails. Ruby On Rails framework is an open source web application. This site is an evaluation of that framework.

This page looks only at programmer productivity, and does not attempt to compare Java and Python on any other basis. There is, however, one related topic that is virtually impossible to avoid.

Links to several tutorials about programming in JSP

This website is for The Grinder, a Java Load Testing Framework. It includes a download, manual, and FAQ.

This website supplements the book The Java Developers Almanac 1.4. All the code examples from the book are made available here for you to copy and paste into your programs.

A free application for using Ajax and Java.

Groovy is an easy, concise development language for Java application developers.

Tutorials that teaches JSP by progressing from very simple examples to complex examples.

JUNG — the Java Universal Network/Graph Framework--is a software library that provides a common and extendible language for the modeling, analysis, and visualization of data that can be represented as a graph or network

This Portugese language site offers a support group for the Java programming language including pools, questions and answers with links to code examples.

A manually compilated list of programming languages for the Java Virtual Machine. Currently, there are close to 200 languages listed.

This is a small GUI generating engine for Java applications and applets.

This is a collection of answers to frequently asked questions (FAQs) about Java Generics, a new language feature added to the Java programming language in version 5.0 of the Java Standard Edition (J2SE 5.0).

BeanShell is a small, free, embeddable Java source interpreter with object scripting language features, written in Java.

Interactive Java Environment.

DbUnit is a JUnit extension (also usable with Ant) targeted for database-driven projects that, among other things, puts your database into a known state between test runs.

This site is about open source java API or Application Programming Interface. In this site you can download packages to be used in browsers and any other softwares that uses API.

Neural networks in Java.

The official documentation of the version 1.4 of Java 2 Enterprise Edition

The Java Service Wrapper continues to be actively developed. Each new version is the culmination of a great deal of time and energy in development, testing, documentation and user support.

Java news and interviews, including pictures and videos for each episode

The site is a reference for a different way to write code for date/time within JavaScript. There are explanations and user manuals for how to update the code using the new method.

Sitepoint - JSP Quick-Start Guide for Windows

Quick tutorial to get you up and running indexing files using Lucene, a full text search engine implemented completely in Java.

This site again is for Mozilla, this site is for the Rihno open source implementation of Java script. It has down loads, documentation, history and help for this application.

the site speaks about Weka 3, a Data Mining Software in Java. this software is used for data mining tasks. it contains tools for a lot of operations

A site that offers the most innovative and intelligent tool for profiling Java applications.

This site is about how to teach yourself Java in 21 days.

German site about Java 2 version 5.

A verification system for Java bytecode.

Intro to Java online tutorial for college or Advanced Placement students.

This is a Java tutorial site. There a set of eight tutorials that can be watched using flash player. Each of them comes with a summary and an exercise

Information on JGAP - coding algorithms that can change and "learn" according to the response. Uses a biological model to create code. Free download.

This site is helps people how to do various tasks with Javascript, Powerbuilder, Varia,and others.

Provides a description and technical support information for Java Reverse API Reference. The Website is in Japanese.

in this site you will see small programes of different programming laguages

It is About Structs2 which are under developement of Apache. And given description about the use in different places.