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The Independent Source for Enterprise Java

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What's so hot about BIRT?

100% Java Reporting for Eclipse.
Free downloads, demos and more...

http://www.oreilly.com/go/birt_jav110206

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Greetings...

Concurrency is one of those things that a lot of developers have a hard
time really getting right. It's hard to understand that, for example, all
your local variables are in play if two threads can pass through your
method at the same time. The new era of multi-core CPUs is making this
clearer than it's ever been. To wit: my favorite web browser almost
always crashes when I go to print unless I use a developer tool to turn
off one of my CPUs. Somehow, they seem to have botched concurrency.
Is your software better behaved? Indeed, are you taking advantage of
all the hardware available to you? On the server side, the new era of
multi-core, 64-bit processing may require you to rethink your enterprise
programming practices.

"For instance, to take advantage of the multi-core CPUs, the software
application must be able to execute tasks in parallel across the CPUs; to
take advantage of the 64-bit memory bandwidth, the application must also
be able to manage a large amount of memory efficiently. As a key software
platform on enterprise servers, Java Enterprise Edition (Java EE) is on
the forefront of this multi-core, 64-bit revolution. Java EE developers
must adapt to those challenges to make the most out of hardware
investment." In "Scaling Enterprise Java on 64-bit Multi-Core X86-Based
Servers," Michael Juntao Yuan and Dave Jaffe look at the APIs, JVM
tunings, and optimizations that will help you make the most of today's
server-side hardware.

http://www.onjava.com/pub/a/onjava/2006/11/01/scaling-enterprise-java-on-64-bit-multi-core.html

Interest in Groovy spiked a few years ago and quickly ebbed. It seemed
almost off the radar until it was adapted to a new rapid webapp
development framework, Grails. But why? As Harshad Oak writes in the
dev2dev article "An Introduction to Groovy and Grails," "scripting
languages like Ruby, PHP, and Python have been growing in popularity over
the past few years and, as a result, a need developed for a Java scripting
alternative and a Rails-like framework for the Java world. Groovy is the
scripting language and Grails is the framework."

http://dev2dev.bea.com/pub/a/2006/10/introduction-groovy-grails.html

In this week's feature article from java.net, Richard Bair goes "Web
Swinging." "Data is everywhere. It is on your computer, on the internet,
squirreled away on some corporate server. We have telephone records, class
schedules, blogs, personal websites, and our personal favorite websites.
There're Flickr, MySpace, and online genealogical tools. This article
introduces simple techniques and APIs available in the SwingX-WS project
to help you write rich client applications in Java that take advantage of
all these data sources for creating Swing mashups, or Smashups."

http://today.java.net/pub/a/today/2006/10/11/web-swinging.html

Recent O'Reilly Network weblogs of interest to Java developers:

Dejan Bosanac - Spring and Flex
http://www.oreillynet.com/onjava/blog/2006/11/retrotranslator.html

Dejan Bosanac - Spring and Flex
http://www.oreillynet.com/onjava/blog/2006/10/spring_and_flex.html

Check out more O'Reilly Network Java weblogs at:
http://www.oreillynet.com/onjava/blog/

Please join us again next week.

Chris Adamson, Editor
ONJava.com
cadamson@oreilly.com

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presentations, panels and discussions. For more information see:

http://www.unicodeconference.org/

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# posted by giu @ 5:37 PM