So what's new in java 9?

Question

Java 8 introduced a handful of new stuff. One of them being lambda expressions. I use them a lot in android development. Java 9 has now introduced the Java Platform Module System.
Check out the official statements by oracle.
https://docs.oracle.com/javase/9/whatsnew/toc.htm#JSNEW-GUID-C23AFD78-C777-460B-8ACE-58BE5EA681F6

Answer 1

dont forget jshell :D finally a java REPL ( read evaluate print loop) for running codesnippits in the commandline like in python !