Java 9 will have 'interactive shell' functionality, 1:40 of the video (on the linked page) they show hello world. https://blogs.oracle.com/java/entry/jshell_an

Java 9 will have 'interactive shell' functionality, 1:40 of the video (on the linked page) they show hello world. https://blogs.oracle.com/java/entry/jshell_and_relp_in_java https://blogs.oracle.com/java/entry/jshell_and_relp_in_java