Optis community blog » Java

Check exceptions vs unchecked exceptions

admin — Fri, 18 Sep 2009 05:32:51 +0000

Another interesting article about checked-exceptions. I know this is not new, but every time a new project starts, I’m having the same discussion about checked-exceptions.

Once upon a time Java created an experiment called checked-exceptions, you know you have to declare exceptions or catch them. Since that time no other language (I know of) has decided to copy this idea, but somehow the Java developers are in love with checked exceptions…

Implementing REST Web Application Architectures with Spring MVC

admin — Fri, 18 Sep 2009 05:29:05 +0000

In this technical talk, Arjen Poutsma explains RESTFul concepts and discusses Spring 3.0 support for REST in Spring MVC. For these new RESTful features in Spring, he provides details about RESTful URI’s, URI templates, Content negotiation, HTTP method conversion, and ETag support.

http://europe.springone.com/europe-2009/speaker/Arjen+Poutsma

Download Eclipse Galileo

admin — Thu, 02 Jul 2009 04:47:25 +0000

There are two main ways to get Galileo. The first — and recommended — way is to just grab a package relevant to you. The other way to get Galileo is to use an update site.

Download the package here

Download the Eclipse V3.5 SDK here and use the update site.

Spring BlazeDS Integration 1.0.0 Released

admin — Thu, 11 Jun 2009 04:44:13 +0000

The first GA release of Spring BlazeDS Integration, the open source solution for building Spring-powered RIAs with Adobe Flex, is now available.

To find more information, click here

IBM Monitoring and Diagnostic Tools for Java – Health Center

admin — Wed, 27 May 2009 05:18:40 +0000

Health Center is a low-processor and memory usage diagnostic tool for monitoring the status of a running IBM Java Virtual Machine (JVM). It provides live information and recommendations in each of the following areas:

Classes – information about classes being loaded
Environment – details of the configuration and system of the monitored application
Garbage collection – information about the Java heap and pause times
Locking – information about contention on inflated locks
Profiling – sampling profile of Java methods including call paths

Eclipse Galileo Rc1

admin — Wed, 27 May 2009 05:14:05 +0000

Release candidate packages for the new version of our favorite IDE are available for download

Download here

Solution design in WebSphere Process Server: Part 1

admin — Thu, 14 May 2009 04:32:16 +0000

This article describes how to design service-oriented architecture (SOA) based solutions using WebSphere® Process Server and WebSphere Enterprise Service Bus. Part 1 of this article series explores how design techniques change as an SOA matures.

How to REST in Spring

admin — Mon, 09 Mar 2009 06:10:54 +0000

Restful applications and web services are becoming more and more important. Therefor I found this interesting article.

Some good spring flex links

admin — Thu, 26 Feb 2009 07:31:32 +0000

James Taylor and his thoughs on IBM and ILog

admin — Fri, 30 Jan 2009 06:45:47 +0000

Recently James Taylor wrote some articles about his thoughs on IBM and ILog.

Read his thoughs in the following articles …