This is a good package after downloading
Last added
export JAVA_HOME=/software/jdk-9.0.1
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JAVA_HOME/jre/lib/rt.jar
(9.0 after these are gone, but there are 1.1 to 1.8)
export PATH=$JAVA_HOME/bin:$PATH
end