Thursday Mar 07, 2013

OpenJDK Test Fest and Devoxx UK

The London Java user group is organizing the first Test Fest on March 23rd in London with the collaboration of Oracle and IBM. "Contributors to OpenJDK need to be confident that their changes are sound and do not cause problems elsewhere." explains event host Martijn Verburg. Many test cases are already available but each application has different characteristics, environment and other attributes. The goal is to provide a larger and more comprehensive series of tests for Open JDK. 

If you cannot attend this event, the organizers and some of the guest presenters from Oracle and IBM - among them Oracle engineer Stuart Marks - will be at Devoxx UK starting Monday evening until Thursday (from March 25th until the 27th). Stuart Marks will present a Bird-of-a-Feather (BoF) session about "the testing of OpenJDK" on Tuesday, March 26th at 8:00pm and Martijn Verburg will talk about OpenJDK Hack Session Tuesday evening at 8:00pm and 9:00pm. Don't forget to register for Devoxx UK!

Additional online resources: Collaborate with the OpenJDK Quality team Online information FAQ


Wednesday Mar 06, 2013

Get started with Java!

Every year, the Java platform is growing with new features for enterprise, web, embedded and mobile application and developers. To help beginners navigate the platform and get started with Java technologies, new learning resources are available on the New to Java website. Developers will write a "Hello World" application, test their Java knowledge,  create user interfaces with JavaFX, and build enterprise applications with Java EE, desktop applications with Java SE or applications for mobile and embedded devices.  

Being up to date about current trends and networking with other developers are also critical for a career in programming. Developers can connect with top leaders in the community at conferences and community networks such as local user groups. They have the chance to contribute to open-source projects such as OpenJDK and Adopt-a-JSR to name just two.

Finally, parents and educators teaching programming to children will find software tools for young developers. They are free downloadable development tools with easy to use interfaces for young students. And Minecraft is so popular! Java technologist Daniel Green walks us through Minecraft mods with Java.

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. 

Thursday Feb 21, 2013

Register Now for Devoxx UK and Devoxx France 2013

There's only a little over a month to go before Devoxx UK on March 26 and 27 in London and Devoxx France on March 27 to 29 in Paris. The conference schedules are up and space is tight, so register today before they are sold out!

"Cloud, architecture and security" is a new conference track this year. Other tracks are Java SE, methodologies, Java EE, web & big data, new languages on the JVM, and future Devoxx. Developers will get a shot at peer discussions in Bird-of-a-Feathers, learn tips and tricks during quickies and get in-depth technical information in hour-long talks or in the three hour hands-on-labs.  "You could learn something that will help in your day job. Maybe it's a better use of patterns, technologies or methodologies you're utilizing right now" explains Trisha Gee, one of the Devoxx organizers

The conference also presents great networking opportunities with leaders in the Java community and renowned speakers who wrote popular technical books. Some of those well-known speakers are Kirk Pepperdine, Peter Pilgrim, Stephen Chin, Arun Gupta, and Markus Eisele, just to name a few.

Oracle is a European Platinum Partner of the three Devoxx conferences in the U.K., France and Belgium. Come and join us in London and Paris next month.

Wednesday Feb 13, 2013

JavaFX Open Source Update!

Oracle has started to open source JavaFX, the rich client platform for Java applications. The list of open sourced projects will be growing in the next couple of weeks with an additional 7 projects. "We are also going to open source our iOS and Android implementations over the next couple of months" announced Richard Bair, architect of the JavaFX platform, in his blog.

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.


Friday Feb 01, 2013

The JCP Evolution!

Recent changes to the Java Community Process (JCP) program "focus on the way the organization itself is structured and organized" explained Patrick in this interview.  The changes will result from the implementation of three Java Specification Requests (JSRs). The first JSR, the JSR 348, makes the process more open and transparent to facilitate developers' participation. It was released a year ago and Heather witnessed increased transparency in projects,  additional participation and a simplified release process. "They are using public issue trackers and public discussion alias on projects. More people from the community are commenting and participating in the JSRs. The process of releasing final and maintenance releases is more agile," she commented.

She explained the different options for developers' participation in the JCP. Java user groups may become JCP members at no charge and contribute as a group. Individuals and user groups can contribute to the community initiative Adopt-A-JSR. Developers can give feedback on the transparency of a JSR process. Individuals, corporations and non-profit organizations (JUGs for example) can join the JCP. They then can comment on specs, join an expert group and become a spec lead





Information about the JCP program is available at jcp.org. Watch the recent presentation about Adopt-a-JSR with Martin Verburg and Java EE 7 JSR projects with Arun Gupta

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. 

Wednesday Jan 16, 2013

JavaFX and Java EE with Johan Vos!

Johan Vos is the co-founder and CTO of LodgOn, a company focused on “Java software for enabling communities.” In an interview, he shares his experience creating applications with JavaFX for the front-end and Java EE in the back-end. For one of clients, he created a badge-based rewarding system, which tracks user participation in social media and at events.

He sees a wealth of opportunities with JavaFX as client development platform and with Java EE as a back-end.  The challenge lies in “how you can connect the back-end servers with small devices like tablets, phones and embedded devices.” The opportunity is that “they have one thing in common which is Java”

A member of the GlassFish community, he considers JAX-RS 2.0 as an essential technology and standard. “REST interfaces and the JAX-RS API provide a standard that allows back-end applications to connect with any front-end clients”. He created the open-source project DataFX, “a JavaFX client that connects to any REST based back-end” and the open-source framework DaliCore that manages social media resources in Java EE applications. 

Watch the video interview

Saturday Jan 12, 2013

Spotlight on JavaFX

In three interviews, veteran JavaFX developers Jim Weaver, Gerritt Grunwald, Pär Sikö and Martin Grunnarsson describe their JavaFX journey and their favorite JavaFX features.


Jim Weaver likes to call himself a “Java Technology Activist”. His three top JavaFX 2.2 features are deployment on Linux, Mac OS, Windows and ARM devices, Web View control and native installer running on user’s machine. He is also the editor of the JavaFXcommunity.com. This website “aggregates and provides a common place where JavaFX developers can find resources (downloads, APIs and real world examples) and a blog and twitter feeds.”


Gerritt Grunwald is a software engineer, working on interfaces and UI controls at Canoon Engineering AG. “I use 100% JavaFX today” and “I try to evangelize everybody to use JavaFX”. Gerritt sees great opportunities for JavaFX on embedded devices such as displays at airports or train stations. He presented a demo on how to create JavaFX controls on a BeagleBoard.


Martin Gunnarsson is a designer and front-end developer at Epsilon and Pär Sikö is a Java front-end developer at Jayway. Both JavaFX developers, they are convinced that “we have a very powerful WebView in JavaFX 2”. Their presentation was about how to bring web content into a JavaFX application and how to set up two-way communications between the Java and JavaScript code running in WebView. Their presentation called JavaFX Mashups is available online on JavaOne website.


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