Embedded Java API is a set of API for Java development on embedded devices with very small memory footprints.
Java's strong appeal for embedded applications is sometimes offset by concerns about its speed and its memory requirements. However, Vincent shows you techniques to use for boosting Java performance and reduce memory needs.
Palm Programming with Waba
Matthew E. Ferris assures us that Waba, an open source Palm programming platform, is similar to Java. If you know Java, you can understand Waba.
Resources and links:
Java Embedded Server Tutorial
This short tutorial with code examples gives you step-by-step instructions on how to write a JES service and run it on the JES framework. [Source: java.sun.com]