Extend the JDK Classes with Jakarta Commons, Part II   12 Nov 2005 00:00 GMT
This second installment of a three-part series further explores components in Jakarta Commons and presents real world examples to demonstrate how you can use them in your projects.
Source: DevX

Measuring the Complexity of OO Systems   11 Nov 2005 22:25 GMT
Classes in OO systems can often become too complex--either they're too big, or one class has been embedded with way too much business logic. Learn how to use these metrics to determine whether or not you need to refactor your classes and improve your software design.
Source: JavaBoutique

Java Tech: Generics and You   10 Nov 2005 05:00 GMT
Are you ready to put your generics knowledge to the test? Java Tech columnist Jeff Friesen has compiled a quiz with 20 questions designed to dig deep into the concepts, features, and gotchas of this major J2SE 5.0 feature.
Source: Java.net

Free Developer Tools!   09 Nov 2005 11:51 GMT
Sun is offering the award-winning Sun Java Studio Enterprise and Sun Java Studio Creator IDEs at no cost to all developers worldwide who join Sun Developer Network (SDN).
Source: Sun

New System Tray Functionality in Mustang   09 Nov 2005 11:51 GMT
The upcoming J2SE Mustang release includes a new system tray API, which allows you to embed a small icon in the OS system tray, attach a popup menu, and listen for various mouse events. This article explains how to take advantage of the two new classes that represent the system tray functionality in J2SE Mustang.
Source: Sun

JBoss Cache as a POJO Cache   09 Nov 2005 05:00 GMT
Typical in-memory cache systems can trip you up in ways you don't expect, from mangled object relationships to overly expensive serialization operations. A POJO cache offers a simpler, lower-maintenance alternative. Ben Wang uses JBoss Cache to show how POJO caches work.
Source: O'Reilly

Hacking Swing: Translucent Windows   09 Nov 2005 05:00 GMT
All Java windows are absolutely rectangular, so you can forget about creating a nice Winamp-like window for your Swing app, right? Wrong. In this excerpt from Swing Hacks, authors Joshua Marinacci and Chris Adamson show how you can use some imaging trickery to create arbitrarily shaped windows with Swing.
Source: O'Reilly

Implementing Validation Rules using Aspects   08 Nov 2005 05:00 GMT
Data validation is something that may be needed throughout your application, which makes it a candidate for an aspect-oriented programming approach. Srini Penchikala shows how to combine AspectJ and Drools to create a rule-driven data validation system.
Source: Java.net

Extract JAR and ZIP Entries with JarURLConnection   08 Nov 2005 01:04 GMT
This tip includes code you can use to extract JAR and ZIP Entries with JarURLConnection.
Source: DevX

Open Source Java Application Management: BlueGlue and MyJavaPack   05 Nov 2005 00:55 GMT
Community development might give us all better tools, but working with open source can be a logistical nightmare. As open source proliferates, a new genre of tools is emerging with simpflification as its aim: open source infrastructure management. Drew Falkman investigates.
Source: JavaBoutique