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Running GlassFish 3.1.2 with Apache HTTP Server

by Amy Roh

Dealing with real-time data in UIs (and others)

Lesson learned from dealing with soft-real time data.

by Gabriele Carcassi

Pushing the Limits in Java's Random

What is the largest double that could in theory be produced by Math.random()? In this newsletter, we look at ways to calculate this based on the 48-bit random generator available in standard Java. We also prove why in a single-threaded program, (int)(Random.nextDouble() + 1) can never be rounded up to 2.

by Heinz Kabutz

XSLT + XHTML + JDK6 + JDK7 = madness

Java is great. But sometimes you get caught in a trap of mud and you don't see it coming. Context: I'm working with XSLT for manipulating XHTML and it works great. Well, 99% of it works great. The...

by Fabrizio Giudici

New updated TDD, BDD and Testing Best Practices for Java Developers course

Our popular TDD, BDD and Testing Best Practices course has now been updated with new slides and labs, as well as including additional new topics on refactoring techniques and clean code practices....

by John Ferguson Smart

Editor`s Blog

A Fine, Informative Online Java 7 / JavaFX 2.0 Mini-Conference: OTN Virtual Developer Day - Java

Today I attended the Oracle Technology Network's Java Virtual Developer Day, a four-hour online event that takes a pretty deep dive into Java 7 and JavaFX 2.0. The agenda started with a keynote presentation, "The Java Platform: Now and the Future," followed by a general session...

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Verifying a directory exists...

What api call when using Java Web Start would I use to get the url for the path to a directory? Seems if I use classname.class.getResource(path) I get null. If I add a valid filename to the path I get a valid url...

GF3.1.2_b20: Exception while trying to weave class

I have come across a strange error when deploying our application on the latest 3.1.2 Glassfish. When deploying, there are the usual log lines "class XYZ actually got transformed" and so on. However, on one class I get a ClassNotFoundException...

Java 3D running with Java 7 on Windows

I have implemented a Java 3D scene graph which can be opened in one application run more than once with new data therefore I create new instances. I am using seperate Canvas3D intances. Recently, I switched to JDK 7 instead of 1.6 and since then I get random errors which force the whole application...

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Julien Ponge: Adding Some Agility to Java EE Application Deployment with GlassFish

Four noteworthy features in GlassFish add agility to Java EE application deployment. Deploying and managing Java Platform, Enterprise Edition (Java EE) applications seems like a fairly established activity. Applications can be deployed, undeployed, and upgraded through a combination of deployment and undeployment. Applications use various types of resources, such as...

Still Wanted (for Java Magazine): Java Code Brainteasers

Each issue of Java Magazine includes a "Fix Me" page that presents a problem that challenges a Java developer's coding skills. The Java Magazine team is seeking Java Code Brainteasers for future issues. Here's a chance for you to contribute...

Javalobby: Have You Adopted Java 7 Yet?

Java 7 has been available for a while now, and according statistics that Jelastic ran, it's market share is growing, albeit slowly. The article states that Java 7 accounts for 17% of the market while Java 6 still holds 83%. With Java still holding it's own on the latest...

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