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Programming

by Jaisimha Narahari Date: 02/June/2010       <a name="abstract">In the month of June 2009, I did an initial post in the openjdk.java.net-jdk7-dev<br />    mailing list with a request for what I feel are two very important changes<br />    required in the Java Platform.This resulted in a thread of discussions...
on Jun 2, 2010
There is an unwritten tradition that John Conway's Game of Life must be implemented in every programming language and every GUI toolkit. Well, OK I just invented this tradition, but it's a smart introduction and Life is one of the easiest games / cool animations you can program. But it's not too simple that we can't learn a few important things about JavaFX... My goal: a good-looking and feature-...
on May 21, 2010

Community

Content available at: http://blogs.sun.com/arungupta/entry/oracle_at_jazoon_2010_java
on Jun 1, 2010
This is the first edition of a new column I'll be writing each weekend titled "java.net: the Week in Review." In the column, I'll present all of the previous week's Java Today news items, a selection of java.net blog posts, polls, and spotlights. I'll organize the presentation by categorizing the featured news items, so if, for example, your interest is JavaEE and GlassFish, you'll be...
on May 1, 2010
There were a few ripples around the Java community given that James Gosling the founding father of Java has left Oracle/Sun. I'm not that surprised, I'm sure many others are not either. Google must have made inquiries on more than one occasion and Sun had a number of painful years even when I was there, plenty of layoffs that made each release more difficult and that was 5 years ago. ...
on Apr 12, 2010
Content available at: http://blogs.sun.com/arungupta/entry/spark_it_2010_trip_report
on Mar 19, 2010

J2SE

In this part we will discuss the basic classes that we will work with them to have file system operations like copying a file, dealing with symbolic links, deleting a file, and so on. I will write a separate entry to introduce classes which are new to Java 7 for dealing with streams and file contents, watching service and directory tree walking. If you want to know what are new features in Java...
on Jun 1, 2010
I will write a series of blog to discuss what are the new features introduced in NIO.2 (JSR 203). The NIO.2 implementation is a part of OpenJDK project and we can alreay use it by downloading a copy of OpenJDK binary.  In the first entry I will just go through what are these new I/O features of Java 7, which help developer iron out better applications easier. Talking about File systems support...
on May 20, 2010
A few months ago, I had one of those unpleasant format conversion jobs. I had about 1,000 multiple choice questions in RTF format and needed to import them into Moodle. RTF is, as file formats go, somewhere between the good and the evil. It looks like one should be able to write a parser for it, but that seems like a dreary task. The miracle of open source came through for me, though, in the...
on May 16, 2010
Do you remember the email you got to tell you that your jre had a vulnerability? No? What about the fact that Java 5 is in an end of life phase. Given the time it has taken for Java 7 to appear its has somewhat slowed the normal EOL pace of the Java platforms. You may not know that Java 1.4.2  for business will be supported commercially until April 2018,  which is kind of mind-...
on Apr 28, 2010
<h1>JMath: A Java API for doing Math</h1> <p>Hello. I would like to introduce JMath project. JMath is math API for doing serious math with Java.</p> <p>With JMath you can do linear algebra, set calculations, general math calculations such as arithmetics, fractions and the like.</p> <p>Also, with JMath you will be able to do serious...
on Apr 18, 2010

EJB

Java EE Security refcard is available for download. This refcard covers Java EE 6 security and discuss how each application server supports the specs. The refcard covers authentication, authorization, and transport security in Web Application, EJB application and web services by introducing the concept and the related annotations and deployment descriptors which help us realize the concept....
on May 17, 2010

Education

As you know, CongoJUG is involved in education. Once again, we will offer free courses and workshops for Sun Java Certification.   JCertif is a mini-conference that will focus on Java technology professional certifications, with special attention to SCJP (Java Programmer) and SCWCD (Web Component Developer).   JCertif goal : To provide courses and workshop which will help...
on May 16, 2010

JavaOne

 Two talks at JavaOne this year: S313580 - "Swinglabs Dev Update" with Karl and Alex ... I hope guys will do most of the talking :D S314239 - "Building Content Management solutions based on Java Content Repository" together with Greg BTW for those wondering what is happening with the swinglabs.org, server have been recently moved around yet again. It is now in so...
on May 11, 2010

GUI

Performance: JavaFX Balls As soon as I've got JavaFX 1.3 and NetBeans 6.9-beta, first thing I did was obviously running benchmarks, and the new update delivers on its promise. Let's first check JavaFX Balls (port of Bubblemark). I've last reported results for 1.2 here; but scores for 1.2 are updated again to account for changes in my test system, remarkably the JDK (now 6u21-ea-b03). Test...
on May 3, 2010

JSR

I wanted to describe an interesting problem I recently faced that involved the most excellent JAX-RS specification and its Jersey implementation.  The quick overview is that we wanted the output of our JAX-RS resource classes to be client-agnostic, but we also wanted the ability to insert a decorator of sorts in between the objects we were returning and the normal JAX-RS serialization/...
on Apr 28, 2010

Databases

If you wonder whether the style of use with JDBC API has an impact of performance, you might like to read my latest blog entry on Head Crashing Informatics. While the entry mostly is about tuning SQL Anywhere's BLOB handling performance, it contains an interesting aspect: There are three ways to deal with BLOBs in JDBC, and the performance difference is tremendous. While obvious for the JDBC...
on Apr 10, 2010

Security

Manage, Administrate and Monitor GlassFish v3 using Application Server Management Extensions (AMX) & The Java Management Extensions (JMX) Management is one of the most crucial parts of an application server set of functionalities. Development of the application which we deploy into the server happens once with minor development iteration during the software lifecycle, but the management is...
on Apr 6, 2010
I'v migrated code from spring-security 2.0.5 to be able to use NTLM on spring-security 3.0.2. NTLM isn't supported anymore official by SpringSource but after some refactoring I was able to use NTLM without problems. http://aloiscochard.blogspot.com/2010/03/spring-security-ntlm-3.html  
on Mar 21, 2010
Spring framework is one of the biggest and the most comprehensive frameworks Java Community can utilize to cover most of the  end to end requirement of a software system when it come to implementation. Spring Security and Spring Remoting are two important parts of the framework which covers security in a descriptive way and let us have remote invocation of a spring bean methods using a local...
on Mar 18, 2010