Hi,
As a root user: java -Xj9 -version
java version "1.4.2"
Java(TM) 2 Runtime Environment, Standard Edition (build 2.3)
IBM J9 VM (build 2.3, J2RE 1.4.2 IBM J9 2.3 AIX ppc-32 j9ap32142-20080510 (JIT enabled)
J9VM - 20080508_19305_bHdSMr
JIT - 20080424_1845_r8
GC - 200804_28)