Thursday Feb 28, 2013

Java Tsunami on the Thames

London prepares for a surge of developer brainpower during the Devoxx UK conference on Tuesday and Wednesday, March 26th and 27th. Meet & Greet, global Java community, and Hackergarten are nice add-ons. Don't miss it - Register today

The fun really starts on Monday evening with an attendee Meet & Greet where attendees can relax, grab a drink and something to eat and, of course, meet fellow attendees and the speakers. 

In addition to U.K speakers, many international guests are scheduled, notably from the US. Twenty-eight user groups from across Europe are attending too. A veritable army of experts will be on hand to share their expertise with Devoxx attendees.  

Hackergarten takes place during the conference. There's no time limit; participants can stay and code for as long as they want. Just bring a laptop and write a plugin, a tutorial, a small feature, or a bug fix for a project that interests you alongside several open-source experts willing to share their knowledge. The organizers of two community projects called Adopt-a-JSR and Adopt Open JDK will be there to explain how to contribute to the future Java releases. 

Monday Feb 04, 2013

FOSDEM 2013



The annual Free Open-Source Developers' European Meeting took place last weekend in Belgium. The free event brought together 5,000 hackers from the open source community. There were 477 speakers and 488 sessions with a mix of keynotes, lightning talks, certification exams and developer rooms talks.


Tasha Carl, Java architect and the leader of the Brussels Java user group, wrote a blog about FOSDEM and the Free Java developer room. She mentioned Java talks and posted pictures making you feel as if you were there. "The Free Java dev room at FOSDEM is since many years the biggest OpenJDK meet-up around. You can not only see, but really high-five celebrities like – this year – Mark Reinhold, Chief Architect of the Java Platform Group at Oracle, Sean Coffey, Oracle JDK engineer and maintainer of OpenJDK 7u, Steve Poole, developer and evangelist working since ever  for IBM on the JVM, Simon Phipps, Andrew Haley, Charles Nutter, JRuby lead developer speaking about InvokeDynamic,…" she commented.


In another blog, Mani mentioned that "the OpenJDK topic has got massive coverage with 17 speakers, speaking and holding events covering various topics." Java community leaders including Martijn Verburg and Ben Evans were involved in the Java track. In addition to Brussels JUG, members of LJC JUG, CEJUG and others participated at the event.


In her blog, Heather VanCura shares the Java Community Process (JCP) presentation titled "JCP State of the Nation and Future Directions," as well as links to JCP.Next and the community program Adopt-a-JSR programs.


Thursday Jan 24, 2013

OpenJDK, Adopt-A-JSR and Adopt OpenJDK Projects!

In two interviews, Martijn Verburg, leaders of the London Java user group and Cecilia Borg, Project Manager at Oracle explain the OpenJDK and two community projects Adopt-a-JSR and Adopt OpenJDK.  

"The Java Platform is huge and, to a lot of people, it is too big" explained Cecilia. "OpenJDK is divided into 22 different groups and 40 different projects to make it easy to participate." She recommends starting small by "subscribing to one of the mailing lists at openjdk.java.net" and contributing small bug fixes, for example.  It is important that contributors learn as much as possible and pick a project that feels right for them.


"The idea of Adopt-a-JSR is to have ordinary Java developers get involved with the creation of standards" indicates Martijn.  "Adopt-a-JSR is about Java EE and ME standards."  "The work on the Java language and the JVM is done as part of OpenJDK and Adopt OpenJDK projects," Verburg continues. He outlines how to start on those projects. Contributors can be individuals but also JUG leaders, who organize coding events to work on Java standards. 

Friday Oct 19, 2012

An Interview with JavaOne Rock Star Martijn Verburg

An interview with JavaOne Rock Star Martijn Verburg, by yours truly, titled “Challenging the Diabolical Developer: A Conversation with JavaOne Rock Star Martijn Verburg,” is now up on otn/java. Verburg, one of the leading movers and shakers in the Java community, is well known for his ‘diabolical developer” talks at JavaOne where he uncovers some of the worst practices that Java developers are prone to.

He mentions a few in the interview:

* “A lack of communication: Software development is far more a social activity than a technical one; most projects fail because of communication issues and social dynamics, not because of a bad technical decision. Sadly, many developers never learn this lesson.
* No source control: Some developers simply store code in local file systems and e-mail the code in order to integrate their changes; yes, this still happens.
* Design-driven design: Some developers are inclined to cram every design pattern from the Gang of Four (GoF) book into their projects. Of course, by that stage, they've actually forgotten why they're building the software in the first place.”

He points to a couple of core assumptions and confusions that lead to trouble:

“One is that developers think that the JVM is a magic box that will clean up their memory and make their code run fast, as well as make them cups of coffee. The JVM does help in a lot of cases, but bad code can and will still lead to terrible results!

The other trend is to try to force Java (the language) to do something it's not very good at, such as rapid Web development. So you get a proliferation of overly complex frameworks, libraries, and techniques trying to get around the fact that Java is a monolithic, statically typed, compiled, OO environment. It's not a Golden Hammer!”

Verburg has many insightful things to say about how to keep a Java User Group (JUG) going, about the “Adopt a JSR” program, bugathons, and much more.

Check out the article here.

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