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J2SE

When my colleague Marina Vatkina sent me some code earlier today hoping a second pair of eyes would spot the obvious error, knowing how thorough Marina typically is, I knew there was no obvious error there. Simplified version of what was being attempted is shown below: import java.io.*; import java.util.*; import java.util.jar.*; public class CreateJarWithManifest { public static void main(...
on Oct 13, 2009
While evaluating a GlassFish bug, I discovered a discrepancy in behavior of Class.getAnnotations() between IBM JRE and Sun JRE. the complex GlassFish issue boiled down to a simple test case as discussed below. The question is what should be the behavior of Class.getAnnotations() if one or more annotation class is not available at runtime. Consider the following test case: // Main.javaimport java....
on Oct 8, 2009
I was involved with development of a RCP application based on NetBeans platform and now I find few minutes to share some of the experience with you. All standard coding and best practices are applicable here. Use project management systems like Trac or any project management system that you know. Never start a project without a project management system. Use coding standard, unit testing, desing...
on Sep 4, 2009

GUI

I am extremely pleased today to announce the availability of the final release for version 5.3 of Substance look-and-feel (code-named Reykjavik). The release notes for version 5.3 contain the detailed information on the contents of this release which include the following: New Gemini skin New Magellan skin New Graphite Aqua skin Improved usability of Raven Graphite skins Overlay painters...
on Sep 28, 2009
The Pivot development team is happy to announce the release of Apache Pivot 1.3. Apache Pivot is a platform for building rich internet applications in Java. It combines the enhanced productivity and usability features of a modern RIA toolkit with the robustness of the industry-standard Java platform. Pivot is currently undergoing incubation at the Apache Software Foundation. Notable updates in...
on Sep 22, 2009
Two Worlds Collide On the one hand, JavaFX's powerful scene-graph and animation engine enables gamer types to rapidly create dynamic visual scenes that are functionally expressed through binding and triggers and timelines. On the other, it's growing controls and charts libraries clearly stake out a more traditional GUI turf. As interfaces finally graduate to the 21st century, the lines between...
on Sep 10, 2009

Databases

If you are reading this blog it means you want to use JasperReport with dynamically programmatically generated images. An example of such use cases in generating complex charts using JFreeChart and then including these charts into reports. Each report in JasperReport uses a datasource to populate the fields, we need to use JRBeanCollectionDataSource which can be considered as a simple collection...
on Sep 21, 2009
Well, this is the second time I am using the new blogging platform of Java.net. This time it was much easier and with less hurdle. I want to write about JPA, performance, caching and related things. Though it wont be very well organized but it may come useful for new JPA developers. recently I have assigned a task to work on performance problems of a first tier application and further extend it...
on Sep 3, 2009
The refcard discuss the following items:  The BDB Family : An introduction to different DBD family members, including BDB Base Edition, BDB XML edition and BDB Java Edition with tables comparing their features. Key Features: Key features of BDB family members and BDB Java Edition exclusive features are explained here Introducing Berkeley DB Java Edition includin: Installation: How to...
on Sep 1, 2009

Programming

Sun just released the first maintenance update for JavaFX 1.2. This release brings mostly a batch of important javafxc fixes, that I dissect in this blog... Java programmers are used to the fact that compilation of Java source code is a relatively straightforward process, because the Java language has a simple mapping to the Java bytecode. So javac is a trivial compiler, at least in the code...
on Sep 9, 2009