If you've ever worked with WebSphere, the term 'portal' is a dirty word. But Liferay has redefined the portal space with an open-source, feature full offering that is only about 250 megs in size and more feature full than anything IBM has ever offered in this space.

This article discusses cryptography, keyed hashing, hash attacks, Message Authentication Codes (MACs) and provides some examples on how to use them.

InfoQ interviews JSF spec lead Ed Burns and Ed shares his viewpoints on where JSF stands in light of Ajax, and HTML5 as well as a recap of what happened in JSF 2.0, 2.1 and what is happening in 2.2.

Prashant Deva discusses Java's boolean array. Did you know that Java uses an entire byte for each element in a boolean array? Its here that the java.util.BitSet class comes to rescue.

JavaFX Architect Jasper Potts provides an example of what can be done with styling JavaFX charts with CSS.

In accordance with the OpenJDK guidelines, this is the start of a discussion for a new project to explore and implement interoperability between the Jigsaw project and OSGi implementations.

In a production environment profiling is not an option, and several times our CPU has reached almost 100%, so what is happening? Fortunately, java comes with some great debugging tools, cooperating those tools with Linux built-in tools will let you know what is happening.

Wouldn't it be cool to see all the annotations that are part of the Java EE 6 specification, all in one single handy document?

In this post, Nikita Salnikov-Tarnovski explains why memory leaks are in fact a common problem for Java applications.

Here's a good CDI @inject example using Tomcat (based on Java EE).

With 10 YES votes, another candidate Java EE 7 JSR has been accepted by the JCP Executive Committee: JSR 353, Java API for JSON Processing.

The Java 7 Update 2 release has a few correctness fixes for the Project Coin features, two diamond fixes (courtesy Maurizio) and one fix to strings in switch.

An ongoing series of reviews by U.S. patent authorities has led to a new series of adverse rulings against Oracle's Java patent and a copyright lawsuit against Google over the Android mobile OS, according to a filing late Wednesday in U.S. District Court for the Northern District of California.

For developers who are interested in tutorials and eLearning we have launched three instructional videos on Youtube. These tutorials focus on Gemfire, Hyperic and tc Server. Programming with Gemfire: An Introduction to Gemfire 6.5 teaches: Gemfire: An Overview Gemfire Topologies Gemfire Architecture Gemfire Installation Cache Management Click here to watch the Gemfire Tutorial Hyperic Basics contains the following topics: Features of Hyperic Hyperic Architecture Click here to watch the Hyperic Tutorial vFabric tc Server Installation and Instances provides information on: vFabric tc Server an Introduction vFabric tc Server Architecture Click here to watch the vFabric tc Server Tutorial

The XmlAdapter mechanism in JAXB (JSR-222) allows an unmappable class to be converted to a mappable one. An XmlAdapter can be registered with the @XmlJavaTypeAdapter at the field, property, type, or package level. This post will focus on the scope of the XmlAdapter when registered at the package level. Preview Text: The XmlAdapter mechanism in...

Use Maven. Gradle, or Ivy? or any other tool that depends on a remote repository? (Which is just about every build tool these days.) If you do, there's a good chance that your builds are constantly leaking information about your projects, and if you don't take some simple measure to protect yourself external actors can learn a lot about your internal projects. Preview Text: ...

I'm currently working on a continuous delivery system where I work, so I thought I would write something up about what I'm doing. The continuous delivery system, in a nutshell, looks a bit like this: Preview Text: I'm a big fan of Ant, I'd usually choose it (or probably Gradle now) over Maven any day of the week, but there was already...

If you code in Java, you have inevitably used the String.split() and String.replace() (including replaceFirst() and replaceAll()) functions. And why wouldn't you? They are much more convenient than using the Java Regular Expressions API where you need to create a 'Pattern' object, and possibly a 'Matcher', and then call methods on those. However, all convenience comes at a price! The Evil Inside ...

A few weeks ago I was given the opportunity to learn iOS programming. My current boss decided that I was more of a 'computer scientist' rather than a developer, which I thought was a nice compliment, and this meant that I could apply my knowledge to developing an iPad application or two - all I'd need to do was to learn Objective-C and the iOS SDK: how hard can it be? Preview...