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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January 13, 2009
If you come across square brackets in JavaFX script, do not think that JavaFX supports arrays. These are sequences. Sequences are not arrays although they are similar. Before reading this blog post I recommend that you familiarize yourself with the t...
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After the successful "JavaFX Circle" initiative, a series of informal meetings where a group of JUGgers met together and played with NetBeans and JavaFX (at the time early access), at JUG Milano we're doing it again, this time with Groovy....
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We are always trying to shine some light to our kids, and teach them about right and wrong. A few things are pretty hard to explain. Copyright for one is a pretty complicated thing. My daughter has frequently asked...
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TOTD
#61 and TOTD
#62 shows how to use JMX APIs to locally/remotely
manage/monitor your Rails/Merb applications. This Tip Of The Day
extends TOTD #62 and shows how remote management can be done using jmx4r gem. This gem provides a clean mapping betw...
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Here is a blog entry that was sitting in my Drafts folder for a long
time
(just because I didn't realize :). Anyway, it shows how to install Open Solaris 2008/11
on Virtual Box.
The original install was done using Virtual Box 2.0.6. I...
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This blog highlights couple of contributions by Campus
Ambassadors (CA) from
University of Essex
and Frankfurt
towards GlassFish. Jenya Kovalchuk (Campus Ambassador in the University of
Essex, UK) gave a talk
on GlassFish. The pre- and post-condition...
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A screencast, an audiocast, a Q&A, and a how-to guide.
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Who seriously reads thousand-line dumps in forums? Also:
Forum Posts: Practical help-seeking in forums, EJB deployment slowdown, creating RESTful web services, and where did the JDK 6 source go?
Java Today: JavaFX spline editor, JavaFX Examples proj...
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