When I enter , java -version and I see, java version "1.4.2" gij (GNU libgcj) version 4.0.2 20051125 (Red Hat 4.0.2-8) Copyright (C) 2005 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. When I enter /usr/opt/jdk_1.5.0_02/bin /java -version java version "1.5.0_02" How can I uninstall version 1.4.2? Thank you, Jim