problem in runtime environment

Hello allI have installed j2sdk 1.4.2 and setted all paths correctlyrecently I installed oracle 9iit has replaced my java runtime environment with 1.3(when I type java -version in the command window)how to fix that?
[257 byte] By [shammif2a] at [2007-10-3 1:54:19]
# 1
You need to update system environment variable called "PATH".You will find oracle jre entry before jdk entry. Change the order.
j_pravina at 2007-7-14 18:52:48 > top of Java-index,Desktop,Runtime Environment...