Tuesday Jun 30, 2015

JavaOne Latin America Highlights

Well-attended by developers, JavaOne Latin America took place last week in São Paulo Brazil.  Amongst the myriad sessions, meetings, entertainment and parties, here are some highlights. 

The community keynote was themed with 20 years of Java and organized by two Java Champions Fabiane Nardon and Bruno Souza. They chronicled the deep involvement of the Brazilian community throughout the history of Java. Bruno Souza, a.k.a JavaMan, founded the Brazilian Java user group SouJava in 1999. Juggy, the Java Finch mascot, was born in 2004.   Fabiane Narbon with her team won the Duke’s Choice Award for Healthcare Information System in 2005. SouJava became the first Java user group member on the JCP executive committee in 2011. 

NightHacking interviews took central stage at the Java Hub. The interviews are being rolled out during the next two weeks. Now available are interviews about Java TV with Bruno Gualda and Thiago Silva, Java and IoT with Vinicius Senger, Java Embedded with Leonardo Lima and Java IoT Cloud with Marco Maciel 

The strategy keynote was packed to hear Vice President of Java SE Platform Georges Saab discuss Java 9 modularity. He encouraged developers to download and test the pre-release builds. “JUGs around the world have helped shape the future of Java EE by participating in the JCP and the Adopt-a-JSR program” explained Senior Director of Software Development Robert Clark. 

Monday Jun 08, 2015

Professional Highlight: Amr Gawash, Oracle Certified Professional. Java SE 7 Programmer


Why did you choose to pursue Java Certification?

I work in a company that encourages employees to pursue and achieve their dreams. One of my personal dreams was to be certified in Java. Even though I had been working with Java for more than five years, I never had time to take the Java Certification exam. After my company encouraged me, I started to prepare myself to get the Java certification, and I did.

How has Java Certification changed your career?

My career changed the moment I stepped out of the exam. I realized how powerful a certification can be, how the community appreciated my contribution more, and of course how it made a difference to people looking at my resume. I also noticed how it increased my self esteem. Holding a Java certification also increased my sense of responsibility toward the Java community. I've started to become more active in Oracle forums and other QA websites. I contribute more to the community now and I also engage with local Java groups in my city.

What is one of the most important benefits of gaining a Java Certification?

I believe the most important benefit of earning a Java certification is the networking and community benefits you get when you are a certified in Java. Being certified has helped me get closer to, and make a positive impact on the Java community. Networking with other members of the community has become much easier and my engagement and responsibility towards the community have also been boosted.


Amr Gawish is passionate about technology and always tries to push the limits of the technologies he uses.

Amr completed his Bachelor's degree in Math and Computer Sciences from Al-Azhar University in Egypt and is currently pursuing his Master's degree at the University of Liverpool. He is employed as an Oracle Fusion Middleware consultant and is certified in Java SE 7, Oracle ADF, WebCenter Portal, and Oracle SOA Suite. 

Having more than six years experience in these products as well as the full Oracle Middleware stack, Amr has also gained experience in various other topics such as Gamification, Scala programming, and Akka. He is working on microcontroller programming with Raspberry Pi and Arduino and robotics.

You can learn more about him by visiting his website, www.amr-gawish.com, or follow him on Twitter (@agawish) or read his book (Oracle ADF Faces cookbook).


Wednesday Apr 29, 2015

Lessons Learned from UML NetBeans Plugin Development

By Guest Blogger Zoran Sevarac

The Open Source Software Development Center at University of Belgrade has released a new version of a UML plugin for NetBeans called easyUML. This plugin was created to facilitate the use of UML tools for teaching software design, but it is also a handy tool for developers. It helps developers with commonly used features by adding an easy-to-use UI.

 EasyUML supports class diagrams and the following features:
Drawing class diagrams
Generation of Java code from class diagrams
Reverse engineering from Java code to class diagrams

The easyUML plugin is available for installation directly from NetBeans IDE Update Center, or as a  download from NetBeans Plugin portal.
Complete source code is available from SVN repository on java.net

The developers who participated in this project were software engineering students from University of Belgrade. This is a very good model for collaboration between universities and open source projects which can help overcome the gap between academia and requirements in the software industry. 
Quick demo and installation instructions are available in this YouTube video

Pictures below show the main application window with all its components common to IDE: diagram view, palette, properties view, explorer view and project view.

Thursday Apr 23, 2015

Announcing Java 8 Update 45

Java™ SE Development Kit 8, Update 45 (JDK 8u45) includes the IANA time zone data version 2015a. This changes will affect the following timezones : the Mexican state of Quintana Roo, Chile, America/Santiago, Pacific/Easter, and Antarctica/Palmer. For more information visit Timezone Data Versions in the JDK 8u45

Check out product manager Aurelio Garcia Ribeyro’s blog about Understanding Time Zone Udpater 2.0 to fully understand how to update to daylight saving time.

Security Baselines
The security baselines for the Java Runtime Environment (JRE) at the time of the release of JDK 8u45 are specified in the following table:

JRE Family Version    JRE Security Baseline
(Full Version String)
Java 8                          1.8.0_45
Java 7                          1.7.0_79
Java 6                          1.6.0_95
Java 5.0                       1.5.0_85

For more information about security baselines, see Deploying Java Applets With Family JRE Versions in Java Plug-in for Internet Explorer.

Tuesday Apr 21, 2015

JavaOne Registration Now Open

The JavaOne conference brings together Java experts and enthusiasts for an exceptional week of learning and networking focused entirely on all things Java. With more than 500 sessions, you will learn from the most innovative and diverse Java content. You can't afford to miss it! October 25-29, 2015, San Francisco. Register now!

With a full conference pass, you get:
Access to more than 500 JavaOne sessions, Birds-of-a-Feather (BOF) sessions and JavaOne Hands-on Labs (HOLs)
Keynote sessions for JavaOne and Oracle OpenWorld
Scene and Be Heard presentations
Java User Group Forum
Exhibition Halls at JavaOne and OpenWorld
 • Access to the Java Hub 
JavaOne Welcome Reception
Oracle Appreciation Event
Specials at the JavaOne and Oracle OpenWorld Bookstores
Access to the It’s a Wrap! party

The call for proposals is open until April 29. If your session is accepted, you will receive a full pass
You will save $600 with the Super Saver rate, if you register before May 31
Register between 5 to 13 attendees and receive a savings of up to 20 percent off the price of each registration. Register 14 or more attendees and receive a savings of up to 28 percent off.
Employees of a national/federal, state, provincial, or local government entity, including public higher education institutions can benefit from government rate

Wednesday Apr 15, 2015

How to Contribute to the Java Platform

In this interview, Heather Van Cura gave an update about JCP. She mentioned new JSRs for Java EE 8, and Java SE 9, and discussed changed to JCP.next

Community members Simon Maples, Mani Sarkar, and Daniel Bryant pesented a vJUG session about the Adopt OpenJDK project. They describe how to contribute to OpenJDK project. Mani presented a hands-on demo on how to contribute to Java 9  Learn more

Tuesday Apr 14, 2015

Perspectives on Docker

Want to know why and how to use Docker? Docker is a popular tool to build and deploy applications across environments. In these three interviews, you will learn about the benefits of Docker, its integration with other tools, and teams using the tool for different applications.

Jfrog CTO and co-founder Yoav Landman explains the use of Docker with Chef, and Vagrant in the development of a Bintray application. 


Conference speaker Matthias Grüter explains why Docker works well with the JVM 


Conference speaker Roland Huss discusses the benefits of integration tests. 


Monday Apr 13, 2015

Devoxx France 2015 Explores The Future of Technology

2500 developers attended 4th Devoxx France this year, an increase of over a thousand attendees from last year. The organizers announced a new member of the Devoxx family: Devoxx Morocco, a conference that will take place in Casablanca during the third week of November.

In this 20th year of Java, the theme of Devoxx France 2015 was about innovations in technology over the next 20 years. In his keynote, Java architect Brian Goetz described a development approach that keeps up with the technical needs of developers. Java 9 will deliver a modular platform tuned to hardware requirements. CEO Quentin Adam of Clever Cloud considers that engineering roles are entering an age of specialization. Dan Allen, an open source advocate, author, and world renowned speaker, discussed the responsibility of developers to preserve digital information for future generations. CCO Stephan Tual discussed Ehereum, an open source and decentralized platform allowing the creation of P2P businesses with new infrastructure, communication and privacy.

Rodolphe Gelin, research director of Aldebaran, explains that Romeo, a new line of humanoid robots will become a companion capable of understanding emotions and anticipate situations in the every day life. “Robots are an additional platform for development” he commented. Pierre Yves Oudeyer, research director at INRA, discussed cutting-edge artificial intelligence research, in which robots are programmed to be curious and learn by experimenting like children. They become aware of themselves and their environment. They can even develop their own language. The humanoid robot Poppy is an open source robot for laboratories and research centers to collaborate on the artificial intelligence project. Eric Filiol, the head of ESIEA research lab called on developers’ civic responsibility to educate politicians who are passing laws about internet, and privacy without understanding technology. He made the room laugh when he suggested that “after Devoxx4Kids, we really need a Devoxx4politicians.”

All the keynote speakers agreed that no one can predict the disruptive technologies in the next 20 years like no one could have predicted the internet and its ubiquity in our lives today. Again this year was Seed Networking, where developers, startups and venture capitalists discuss business opportunities. New this year was the Café Philo to discuss about the digital world and the future of society. Devoxx4kids took place last Saturday. 50 kids were learning Java using Scratch and Lego Mindstorms.

Thursday Apr 09, 2015

Devoxx France and 20 years of Java

In this interview, Antonio Antonio Goncalves talks about the 4th edition of Devoxx France. The keynote speakers this year discusses the next 20 years of Java 

Tuesday Apr 07, 2015

Devoxx France 2015

Taking place this week April 8 to 10 in Paris is Devoxx France, one of five Java developer conferences in Europe. The conference is in English and French and all the sessions will be available on Parleys website a couple of weeks after the conference. 

This year, Oracle is a Platinum sponsor. Check out the Oracle Java sessions:  

Java Mission Control for Earthlings
April 9, 15:10 - 16:00
James Weaver, Consulting Member of Technical Staff, Oracle

Java 9 Plan
April 9, 16:35 – 17:25
Brian Goetz, Java Language Architect, Oracle
Paul Sandoz, Software Developer, Oracle

Java EE 7 Batch Processing in the Real World
April 9, 17:40 - 18:30, Neuilly 252 AB
David Delabassee, Software Evangelist, Oracle

Java 8 EE, A Snapshot Overview
April 9, 17:40 - 18:30, Neuilly 252 AB
David Delabassee, Software Evangelist, Oracle

Java EE Birds of Feather Session
April 9, 20:30 – 21:30, Neuilly 252 AB
David Delabassee, Software Evangelist, Oracle

Domotique et Java, Birds of Feather Session
April 9, 21:30 – 22:30, Paris 202-203 Lab
David Delabassee, Software Evangelist, Oracle

Batch API (JSR 352) Hands-on Lab
April 10, 11:00 – 13:50, Paris 224M-225M Lab
David Delabassee, Software Evangelist, Oracle

Project Jigsaw
April 10, 14:05 – 14:55, Maillot
Paul Sandoz, Software Developer, Oracle

IoT, Java, and Autonomous Drones
April 10, 14:05 – 14:55, Room: Amphi Bleu
James Weaver, Consulting Member of Technical Staff, Oracle

Finally, Security API JSR 375
April 10, 15:10 – 16:00, Room: Paris 241
Alex Kosowski, Principal Member of Technical Staff. Oracle

If you attend the conference, please swing by booth #P04 and chat with Java experts who will be onsite answering questions.
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