Java 9 - What’s hot, whats not

Introduction

This repository & RevealJS HTML slide presentation tries to give an overview over the improvments coming with Java 9.

It’s based on the current state as of 2016-07-01.

Contents

presentation	A short RevealJS based presentation. Just open index.html
playground	Extensive collection of various one-class code examples illustrating the changes. Start here for your experiments!
playground-dependent	Another Jigsaw module depending on playground and demonstrating Service Provider with modules.
run-with-modules	Bash script demonstrating how to compile & run the example as modules using the new Java9 command line parameters

Getting started

1. Install Java 9 EAP

2. Ensure JAVA_HOME and PATH points to Java 9

3. Open project with IntelliJ IDEA 2016.2+ or run run-with-modules

$ env | grep JAVA_HOME
JAVA_HOME=/usr/lib/jvm/java-9-oracle
$ javac -version
javac 9-ea
$ java -version
java version "9-ea"
Java(TM) SE Runtime Environment (build 9-ea+123)
Java HotSpot(TM) 64-Bit Server VM (build 9-ea+123, mixed mode)