PersonalJava was a Java edition for mobile and embedded systems based on Java 1.1.8 . It has been superseded by the CDC`s Personal Profile which is not widely deployed. ...
A Java platform optimized for the requirements and constraints of mobile devices.
A Sun Java application environment and API (Application Programming Interface) provided in some higher specification mobiles such as the Sony Ericsson P800 and P900. Uses the CDC and JVM rather than the CLDC and KVM intended for simpler devices.