In article ,
says...
Uhh...i heard something about extensive use of JAVA.

I'm not quite sure of the extent of "extensive", but yes, Java (not all
upper-case, please) was one of the many, many tools used on MER.


I just hope it wasn't in rover itself.

There is Java code in the rover. So what?
There is not, according to JPL people in #maestro ..