Learn how to build playgrounds so you can test your code, syntax, and ideas quickly. You can even learn from playgrounds built by others or build playgrounds to teach. And the playgrounds you build and use on your Mac and on your iPad are automatically shared using your Apple ID.

Discover all the new features and changes in Java 9, including module systems―JPMS or Project Jigsaw. This book covers the whole Java application development life cycle. You’ll review all the important concepts, including module descriptor, unnamed module, automatic module, and command line tools.