The long due final version of Java 9 has been relased. It is available for download from Oracle: http://www.oracle.com/technetwork/java/javase/downloads/index.html

Java 9 is a major release that it will take some time to get in to for most of us. So far I have started using the new JShell which is a command line tool for running code – a so called REPL. I’ve started using it for playing with legacy code: https://refreshjava.io/using-jshell-in-java-9-to-understand-old-legacy-code/