Unless you’ve been living under a rock for the last months and years, you’ve probably heard about the efforts for adding a module system to the Java platform, code-named "Project Jigsaw".
Defining a module system and modularizing a huge system like the JDK is by no means a trivial task, so it’s not by surprise that the advent of Jigsaw has been delayed several times.
But I think by now it’s a rather safe bet to expect Jigsaw to be released as part of JDK 9 eventually (the exact release date remains to be defined), especially since it became part of the early access builds a while ago.
This means that if you are an author of a library or framework, you should grab the latest JDK preview build and make sure your lib can be used a) on Java 9 and b) within modularized applications using Jigsaw.
[ ... ]
