[GRASSLIST:4295] calling r.mapcalc from Java

Dear all,
Is it possible to call r.mapcalc from another application like Java programm?
Thanks a lot in advance
Oleg

Is it possible to call r.mapcalc from another application like Java
programm?

Should be. I don't know Java, but perhaps:

system("r.mapcalc 'newmap=oldmap+1'")

?
Hamish