Tuesday May 17, 2016

New Java Champion Ivar Grimstad

Welcome New Java Champion Ivar Grimstad  

Ivar is a software architect, Java EE advocate and JCP Expert Group member coding Java professionally since 1998. He has been involved over the years in projects from small Java ME applications to large enterprise projects. His first few projects were based on J2EE, then he moved to Spring Framework and now most of his projects are with Java EE 7.

Ivar has facilitated Java Competence Groups internally and externally. He is a frequent speaker at developer conferences such as JavaOne, JavaLand, Devoxx, Øredev, and Swedish JUGs. Ivar is a member of the NetBeans Dream and currently leads the Malmö Java User Group. He writes about agile development methods and Java in general on his blog and is a DZone Most Valued Blogger. 

Ivar received the nomination of JCP Member of the year Award 2015.  Currently, he is involved in the Java Community Process, specifically in the expert groups for JSR 368 (JMS 2.1), JSR 371 (MVC 1.0) and JSR 375 (Java Security API). Follow him @ivar_grimstad

The Java Champions are an exclusive group of passionate Java technology and community leaders who are community-nominated and selected under a project sponsored by Oracle. Learn more about Java Champions

Tuesday Jan 12, 2016

New Java Champion Rajmahendra Hegde

Welcome to the new Java Champion Rajmahendra Hegde!

Raj, a Java developer since 2000, is an Agile practitioner, a community organizer, an open source contributor, the founder of Chennai JUG leader and the current leader of JUG Hyderabad. JUG Chennai has been one of the most active JUG in India with Java developers contributing to technology like JavaFX, ScalaFX,  and Adopt-a-JSR. 

Raj is also a JCP member and has encouraged developers to contribute in Adopt-a-JSR. He received the 13th JCP Award in 2015 for Outstanding Adopt-a-JSR Participant. He is a member of expert groups for Units of Measurement API (JSR 363); Money and Currency API (JSR 354) and Contexts and Dependency Injection 2.0 (JSR 365)

Raj is a contributor for a number of open source projects including Visage, JBoss Forge, eWidgetFX, JRebirth, JavaKone, FXPlayGround, Frege, JBake. He also contributed to Social Media API (JSR 357) . He is a NetBeans DreamTeam Member and evangelizes NetBeans at many JUGs and conferences. 

You can follow him at @rajonjava(https://twitter.com/rajonjava)

Tuesday May 05, 2015

Improving the Performance of Java EE Applications

In a recent article for Java Magazine, Josh Juneau makes a strong case for incorporating performance tuning into the development lifecycle. In addition to preventing 'nightmare' scenarios in which the application development team must make critical performance tuning changes directly to a live production environment while 'under the gun,' proactively tuning applications for performance before they are released to production can help you plan for user capacity. Also, because the top performance problems experienced with Java EE applications are often related to configuration and environment issues, proactive tuning can make troubleshooting easier by differentiating problems in the code from problems with configuration or the environment.

Josh provides valuable information about how to code for performance and tune the environment. In addition, he discusses how to use profiling tools, such as NetBeans profiler and Apache JMeter, to plan for capacity by forecasting how an application will perform in production under a normal or heavy load of users.

Finally, because further improvements can often be made to an application in production--even if you proactively tune during development--Josh provides some tips for reactive performance tuning. 

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.

Monday Mar 02, 2015

New Java Champion: Sven Reimers

Congratulations to the new Java Champion Sven Reimers!

Sven is based near Lake Constance in Germany, and works as a systems engineer at Airbus Defence and Space. He has more than 15 years of experience building complex software systems, and more than 14 years experience with Java. In 2009, Sven was the winner of the Duke's Choice Award in the Network Solutions category for ND SatCom Satellite Communication Management Software.

Besides his day job, his contributions to NetBeans got him elected to the NetBeans Dream Team in 2008. He is a community leader for NetBeans, a founder of the Java User Group in Bodensee and a contributor to OpenJFX. Sven has been very active as a public speaker at multiple conferences, events, JUGs all over the world. e.g. JavaOne (SF/Brasil), SvJUG, JayDay, NetBeans Days, JFokus, and JCrete.

He is an active contributor and participant at the Hackergarten events. In the interview below, Heather VanCura interviews Sven and Andres Almiray at Devoxx 2014 

Java Champions are an exclusive group of passionate Java technology and community leaders who are community-nominated and selected under a project sponsored by Oracle. Learn more about Java Champions.

Tuesday Feb 17, 2015

Free Open Source Tools for Maven, HTML5, IoT, and Java EE

Are you struggling with being productive in Maven, HTML5 frameworks such as AngularJS, IoT hardware such as the Raspberry Pi, or Java EE? Do you want free, easy to use, out-of-the-box tools for quickly and efficiently developing all kinds of applications? You really need to give the NetBeans IDE a whirl! At the next Virtual Technology Summit,  OTN will show you the latest enhancements and cool features of the free, open-source NetBeans IDE, which are used around the world, from engineers at Boeing and NASA to Java architects such as James Gosling and Stuart Marks! This is one of four Java sessions of the OTN Virtual Technology Day. Other topics include JavaScript on the JVM, Java Application Monitoring and Java Wearables.

If you haven't looked at the NetBeans IDE lately, you'll be blown away by the fast speed and performance enhancements. If you are completely new to the NetBeans IDE, see how easy it is to get started and be productive. For example, did you know NetBeans can refactor all your code from Java SE 7 to Java SE 8? See how in this session, lead by NetBeans expert Geertjan Wielenga.

Virtual Technology Summits (VTS) are interactive, online events, sponsored by the Oracle Technology Network (OTN). VTSs are free, but you must register:

 • EMEA – 25 February  - 9:00 to 13:00 BST  REGISTER

APAC – 4 March  –  9:30 to 13:30 IST  REGISTER

Each OTN VTS features four technical tracks, each with a unique focus on specific tools, technologies, and tips: Java, Database, Middleware and Systems. Registration allows you to attend any session on any track. We'll kick off the VTS with Java Community Update by Tori Wieldt. There will be places to hang out and meet other attendees between sessions. Please join us!

Sunday Sep 28, 2014

User Group Sunday Kicks Things Off

By Guest Blogger Bob Larsen, Java.net Editor

JavaOne officially started today with User Group Sunday, and, as usual, gave a strong showing out of the gate with some tremendous sessions.  

User Group Sunday sessions targeted both current and future Java User Group leaders, including “Starting a JUGgernaut: How to Start and Rapidly Grow Your JUG”  and “Tools for the Day-to-Day of JUG Management.”  

There was also a wide selection of technical sessions including introductions to new features released in Java 8, demonstrations of exciting ways Java is currently being used, and panel sessions that allowed attendees to have their questions answered by the rock stars of the Java community.

User Group Sunday took place concurrently with Netbeans Day.  Community members shared the interesting and myriad ways in which they are using both the Netbeans IDE and the Netbeans platform.  They also shared tricks and tools to help make Java developers more productive and even to teach the next generation of Java developers.

Perhaps the most alarming announcement came when Juggy, the Java Finch, unveiled a prototype RoboJuggy, which is controlled by a Raspberry Pi running Java, of course.  Juggy plans to build an army of RoboJuggies to “spread Java everywhere through world domination.”  Community leaders have opened diplomatic negotiations with Juggy to deescalate the situation.

Friday Sep 26, 2014

Join Community Events at JavaOne 2014

Once a year, the global Java community gathers on the Sunday before JavaOne at three community events. Glassfish and Java EE users join the Executive Panel and GlassFish Adoption Story and Deep Dive. NetBeans enthusiasts get together at the NetBeans Community Day, a whole day of panels. User group leaders and members attend the user group forum. Join them this year on Sunday, September 28 at Moscone South [Read More]

Tuesday Sep 23, 2014

Join Community Events at JavaOne 2014

Once a year, the global Java community gathers on the Sunday before JavaOne at three community events. Glassfish and Java EE users join the Executive Panel and GlassFish Adoption Story and Deep Dive. NetBeans enthusiasts get together at the NetBeans Community Day, a whole day of panels. User group leaders and members attend the user group forum. Join them this year on Sunday, September 28 at Moscone South 

[Read More]

Monday Sep 22, 2014

Join NetBeans Community at JavaOne

Geertjan Wielenga is a NetBeans product manager working at Oracle, focused on Java and HTML5 development with NetBeans IDE and the NetBeans Platform. He is a Java technology enthusiast primarily interested in Java desktop technologies—in particular, application development on the NetBeans Platform. Wielenga tweets at @NetBeans and @geertjanw and blogs at https://blogs.oracle.com/geertjan/ 

Q: Tell us about NetBeans Community Day

Wielenga: NetBeans Community Day features the NetBeans community from around the world. Thirty speakers will share their expertise in six panels on popular NetBeans topics. The first theme is about the NetBeans partner activities. On the panel, Anton Arhipov from ZeroTurnaround, Ruslan Synytsky from Jelastic, and Matthew Tahvonen from Vaadim will present their new NetBeans plugins. Bruce Shimel from Boeing will explain the use of NetBeans in their open source community. 

[Read More]
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