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New Embedded Java Community

Posted by daniel on February 15, 2005 at 12:09 PM EST

Incubate your embedded projects

You can fit Java in smaller and smaller places. I love this picture from the JDOS project in the new Embedded Java Community's incubator. The device is smaller than a dollar bill and look at what is on it.

Join the new community or just stop by. Developers of all types are invited to get involved with the Embedded Java community's activities. Since the community is so new, the co-leaders explain, "most of our projects with be starting out in the Incubator," and while they work on their policies for incubator project graduation, they suggest developers check out the EmbeddedJava Incubator to see what's cooking.

Also in Projects and Communities, Daniel Brookshier reports that "the Global Education and Learning Community welcomes more great projects. This time we have big integer software, a digital logic simulator, and a problem-based learning simulator."

In today's Weblogs , Chet Haase reminds you that you can Chat with Chet and Scott saying, " Scott Violet (Swing architect) and I will be hosting an online chat this Tuesday (February 15th) on performance; drop in and send us some questions!"

Joerg Plewe looks at db4o - persistence made easy providing a short review. And James Gosling says Thank you developers listing the awards Sun recently won in the Developer.com 2005 product of the year awards.

In Also in Java Today , although J2SE 5.0 enables the use of covariant return types, this Core Java Tech Tip shows why you can not similarly use Covariant Parameter Types. The example attempts to meet the potential requirements of overriding parameter types using Generics. The example was provided by Sun Engineer Peter von der Ahe, and is based on a suggestion he received from computational theologist Gilad Bracha.

Building a user friendly wizard is not as easy as it may seem. Robert Eckstein explains some of the callenges along with sample code in Creating Wizard Dialogs with Java Swing. For example, he recommends you "give each panel an Object identifier, such as a string. Then, when we need to move forward or backward, we can ask the current panel for the identifier of the next panel or the previous panel that it should traverse to. Note that the next and previous panel identifiers returned by the current panel are not guaranteed to remain constant, and may change based on context and user input."

Bino George responds to a question of whether or not there is a "CurrentVersion" bug in today's Forums . " What it means is that if 1.5 is installed and then you install 1.4.2, the CurrentVersion will stay at 1.5. It always reflects the latest version of the JRE."

Sandoz writes about Encoding for FI: "The next stage is to go to Last-Call in the ITU-T after which, when comments have been resolved (if my understanding is correct) we can pre-publish on the ITU-T site. This will be available for free download. We are also investigating the possibility of publishing as HTML (usually it is a PDF document)."

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Incubate your embedded projects
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