Sun has released an implementation of the J2ME
Mobile Information Device Profile (MIDP)
for the PalmOS.
Sun's MIDP for PalmOS is available from:
I also maintain a list of all of the J2ME CLDC and
MIDP implementations of which I am aware as a
part of the J2ME Archive, at:
Note: Palm, Inc. has proposed a PDA Profile for
J2ME which, like the MIDP, would require a CLDC
implementation underneath. This work is just
getting started now via the Java Community
Process, so it is not yet clear how closely related
this PDA Profile will or will not be to the MIDP.
For more information on the PDA Profile for J2ME,