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March 15, 2010

Joe Darcy: Beware of Covariant Overriding in Interface Hierarchies. One of the changes to the Java programming language made back in JDK 5 was the introduction of covariant returns, that is, the ability in a subtype to override a method in a supertype and return a more specific type. For example,

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March 14, 2010

Stephen Colebourne: Java language design by use case. In a blog in 2006 Neal Gafter wrote about how language design was fundamentally different to API design and how use cases were a bad approach to language design. This blog questions some of those conclusions in the context of the Java language.

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June 23, 2009

Sun Microsystems Unveils VirtualBox 3.0 with Powerful New Server Virtualization Features

category: Main

Sun Microsystems, Inc. (NASDAQ: JAVA) today announced a significant new version of Sun VirtualBox, its high performance, cross-platform virtualization software. VirtualBox 3.0 is capable of creating and running multi-processor virtual machines that c...

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Grails and Continuous Integration: An Essential Combo

category: Java Technology

Grails is an excellent, highly productive development framework that positively encourages good development and testing practices. This article shows how to set up a Continuous Integration build job to compile and test your Grails application in...

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Javali 2009 Trip Report

category: Java Technology

I, along with several other speakers, presented at Javali (an ancillary event of FISL) earlier today. The event was sponsored by Sun Microsystems. Many thanks to Sou Java and RS JUG for organizing the event and thanks to Serpro for hosting the event...

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Webservice @WebParam

category: Java Technology

If you expose a method as a webservice method, how do you name its parameters? Easy, use the @WebParam annotation.

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Sun Storage 7000 Unified Storage Simulator

category: Main

Install and manage a virtual Sun Storage 7000 Unified Storage System on your laptop or desktop. (Intended for systems or storage administrators who are familiar with configuring systems on a network.

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Gosling oppening the Jazoon 2009

category: Java Technology

Today we had the presence of Mr James Gosling during Jazoon 2009. Here it comes the highlights.

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Notes from Tuesday morning Jazoon

category: Java Technology

Here are my notes from the Tuesday morning at jazoon.com

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Win your Copy of Wiley's OpenSolaris Bible book

category: Java Technology

If you are thinking about OpenSolaris and you want to learn how to navigate through this OS or you are a UNIX administrator who wants to update and increase their knowledge of OpenSolaris; you can count on OpenSolaris Bible book. We at DZone posted ...

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2009 JCP Program Awards and Videos

category: Java Technology

Felipe Gaucho attended the 2009 JCP Program Awards ceremony, and provides some videos of the event... Also: Java Today: JCP 2009 Annual Awards Winners (with videos); JSR 255 (JMX API 2.0) is postponed; and University of Utah - Ported 60 applications ...

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Sun Announces Enhancements To Sun Constellation System With New Open Networking Technology and HPC Software

category: Main

Sun Microsystems, Inc. (NASDAQ: JAVA) today announced new products that enhance the Sun Constellation System, including a new InfiniBand (IB) Quad Data Rate (QDR) switch for optimal cluster interconnect performance, new Sun HPC Software Linux Edition...

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