Thursday Feb 07, 2013

Jfokus 2013 Trip Report - A Magnificent Spectacle


This was my third consecutive year (2012, 2011) at Jfokus and the organizing committee, and Mattias Karlsson in particular, continue to amaze me every year! As one of my colleague mentioned, it truly has become a "magnificent spectacle".

With the conference sold out 2 weeks before the official start, 1550 attendees from 20+ countries were delighted by a barrage of international speakers. This was the biggest Jfokus ever and the bar has always gone higher from the previous years.

The conference kickstarted with a guided tour of Old Town Stockholm and was a good way to get familiar with history of the city.






The conference had hands-on lab on the first day and technical sessions, BoFs, HackerGarten, NightHacking, Swedish massage by Mejsla and other activities on day 2 and 3. Even though the conference had several tracks but the best track is always the "hallway track" which gives you the unique opportunity to engage with other attendees of the conference.

Markus and I delivered a lab on "Developing JAX-RS Web Applications Utilizing Server-sent Events and WebSockets". Geertjan also showed up at the lab and helped out with general NetBeans questions. The lab guide is available and the complete source code can be downloaded here. Note, the lab works on GlassFish 4.0 build 57 for now because of the pending bugs in SSE implementation in Jersey.

The last 45 minutes of the lab had a different section covering some other Java EE 7 technologies. The lab guide is available at bit.ly/javaee7-hol (PDF) and the starting code is available at bit.ly/javaee7-hol-code (ZIP). For now, this particular lab covers:

This lab is a work in progress and a more comprehensive feature set will be integrated and shared at future conferences (yes, several are already planned!). Let me know if you'll be interested in reviewing the contents and providing feedback.

Here are some pics from the lab session:






The conference also had its first #GeekRun. 7 of us ran in sub-zero temperature in the dark around the island and it was a great experience!



Here is the running route:



The evening concluded with an outstanding speakers' dinner at F12. The hospitality of the restaurant, warmth of the Jfokus events team, and company of some of the finest geeks in the world made the evening memorable. Some pics from the dinner ...






I delivered a session on The Java EE 7 Platform: Productivity++ and Embracing HTML5. There were about 100+ attendees for the 9am session. It gave a quick overview of the features coming in Java EE 7:
  • Java API for WebSocket
  • Java API for JSON Processing
  • Concurrency Utilities for Java EE
  • Batch Applications for Java Platform
  • JAX-RS 2.0
  • JMS 2

And several other technologies which are getting an update. The complete slides are available:

 

The session also showed a quick demo of the latest NetBeans build supporting Java EE 7.

In How to participate in the future of Java, I talkd about how several JUGs are contributing to Adopt-a-JSR efforts around Java EE 7. There are 19 JUGs from around the world that are participating in this effort. What is your JUG waiting for ? Join the momentum now!

Here are some more pictures from the conference:







The conference collected feedback for each talk using green, red, and yellow cards, a concept first found in Oredev. As explained in the opening keynote, the rule is getting green cards is good, yelllow card means so so and red card means the speaker is not coming back to the conference. Here are the cards that I received after my talk on Java EE 7:



I've heard the rumor that Nordic conferences don't like to repeat speakers for more than 2-3 years in a row. This was my third year but hey, the cards are all green. I'm keeping my fingers crossed for next year ;-)

Anyway, congratulations once again Mattias and team for a job very well done!

And the complete photo album:

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Arun Gupta is a technology enthusiast, a passionate runner, author, and a community guy who works for Oracle Corp.


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