Matt Gerrans
Posts: 1153
Nickname: matt
Registered: Feb, 2002
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Re: Java programming on hand-held computers
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Posted: Apr 9, 2002 9:32 PM
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Check out the SavaJe (http://www.savaje.com/) -- pronounced like "savage," which I didn't realize until I heard someone say it -- OS/JVM for handhelds. I only know about this one because I saw it at the JavaOne conference last week in San Francisco.
The Java 2 Platform, Micro Edition, or "J2ME" (http://java.sun.com/j2me/index.html) for small devices uses an architecture that allows you to use the profile(s) that is appropriate for your target device. J2ME is aimed at consumer devices, so it is lean and mean. For instance, you'd use J2ME + MIDP on a cell phone.
These days, handhelds are so beefy, that you can have the entire J2SE on them, though. At the conference, the people at the SavaJe booth had a demo of an iPaq running thier stuff with the whole J2SE with plenty of room to spare (and great performance compared with an iPaq running a JVM on WinCE).
Even cell phones are getting to have 32 and 64 MB of memory these days, so they can actually handle the full J2SE, too. I guess that means J2ME will just be for toasters and blenders, although, in five years, your toaster will probably be running a 666 GHz processor with 50 GB RAM...
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