1. TDA Thread Dump Analyze   
The TDA Thread Dump Analyzer for Java is a small Swing GUI for analyzing Thread Dumps and Heap Information generated by the Sun Java VM (currently tested with 1.4.x, 1.5.0_x and 1.6.0_x releases). It parses the thread dumps and class histograms from a provided log file. TDA needs at least Java 1.4.2_x to run.

It provides statistic informations about the found thread dumps, gives information abo... more

Published by: Olivier Dedieu - January 19, 2010
Categories: Product , Threads , LGPL , Optimization / Performances

2. Load-balancing Tomcat with Apache   
This article briefly discusses some alternatives for load balancing an application server. It discusses implementation details for setting up load balancing with Apache using ‘mod_proxy' module. It also looks at some of the features provided by apache such as ‘server affinity' and safe removal of node.

Published by: Olivier Dedieu - February 28, 2008
Categories: Articles , Tomcat

3. Ropes: Theory and practice   
Systems that manipulate large quantities of string data are poorly served by the Java™ language's default String and StringBuilder classes. A rope data structure can be a better alternative. This article introduces Ropes for Java, a rope implementation for the Java platform; explores performance issues; and provides pointers for effective use of the library.

Published by: Olivier Dedieu - February 17, 2008
Categories: Articles , Data Structures

4. Create dynamic applications with javax.tools   
Many of today's applications require dynamic capabilities, such as enabling users to supply an abstract form of computation that extends an application's static capabilities. The javax.tools package, added to Java™ Platform, Standard Edition 6 (Java SE) as a standard API for compiling Java source, is a superb way to achieve this goal. This article provides an overview of the major classes in the p... more

Published by: Olivier Dedieu - January 14, 2008
Categories: Articles , Code generator

5. ONJava.com -- Introducing Raven: An Elegant Build for Java   
Build processes in Java haven't evolved much since the introduction of Ant or Maven. With the ability to use scripting languages like Groovy and JRuby on the JVM, the power of a full language can be brought to bear on the build process. This article discusses Raven, a build system for Java that uses JRuby.

Published by: Olivier Dedieu - December 7, 2007
Categories: Articles , Build tool

6. Sanselan: a Pure-Java Image Library.   
This Pure-Java library reads & writes a variety of image formats, including fast parsing of image info (size, color space, icc profile, etc.) and metadata. This library is pure Java. It's slow, consequently, but perfectly portable. It's easier to use than ImageIO/JAI/Toolkit (Sun/Java's image support), supports more formats (and supports them more correctly). It also provides easy access to metad... more

Published by: Olivier Dedieu - November 28, 2007
Categories: Product , Image processing , Apache SL

7. java.net: Scripting with Balance in Design and Performance   
Java SE 6 introduces a new framework for integrating with scripting languages. But what's the right way to mix these languages with Java? Dejan Bosanac, author of Scripting in Java, looks at how an interface-driven approach allows you to maintain good design as you combine languages.

Published by: Olivier Dedieu - September 27, 2007
Categories: Articles , Scripting

8. Ultimate Java Image Manipulation   
Josiah Hester explains the techniques of image manipulation in Java, covering such topics as resizing, rotating, flipping, transparency, splitting, sprite animation, and much more.

Published by: Olivier Dedieu - September 19, 2007
Categories: Articles , Image processing

9. Subversion or CVS, Bazaar or Mercurial? - Java World   
Version control used to be practically synonymous with CVS, but those days are well behind us now. In fact, you not only have an abundance of systems to choose from, you also have two distinct models of source code management to consider. In this article John Ferguson Smart test drives four popular open source version control systems and summarizes the pros and cons of each one.

Published by: Olivier Dedieu - September 19, 2007
Categories: Articles , Revision Control System

10. Enterprise Java Community: No Objects Left Behind   
In this article, Java performance tuning specialist Kirk Pepperdine attempts to clarify some common pre-conceptions around Java memory management. He examines how poor coding practices can lead to inefficiencies in garbage collection and explores some techniques for ensuring that objects are managed more effectively by the GC.

Published by: Olivier Dedieu - July 10, 2007
Categories: Articles , Memory Management