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Java 9 Development Environment Setup with Eclipse IDE

Java9 released on September 21st, 2017. This tutorial shows you how to download latest Java9 SDK and install and then how to setup your eclipse to start writing Java9 programs.

1. Download & Install Java9 SDK

First step you need to do is download the Java9 Software Development Kit. You can download it from following link http://www.oracle.com/technetwork/java/javase/downloads/index.html Once you downloaded the installer then start installing it. This will take you through the following steps

Java-9 Installation Part 1 Java-9 Installation Part 2 Java-9 Installation Part 3 Once the installation is complete cross check the installation by running the following command on terminal

java -version

Then you should see that the version is '9' Java-9 Installation Part 3

2. Install Java 9 support plugin in Eclipse

First download and install Latest Eclipse version ( Oxygen is the latest version at the time of writing this Tutorial ) One the eclipse is ready download and install the following plugin from Eclipse market place https://marketplace.eclipse.org/content/java-9-support-beta-oxygen Install all the features as shown in below image

eclipse plugin for java9 development Once the plugin is installed it asks you to restart your eclipse, do that and you will be ready to write your first program using Java9

3 Update the eclipse.ini file

Update the vm path to java9, your eclipse.ini vm section will look something like below after the update


Also add the following to vmargs in eclipse.ini


Now your eclipse.ini file should look like below


4. Add Java 9 to Installed JREs

Goto Eclipse > Preferences > Java > Installed JREs and add Java9 You can also simply hit the search button, eclipse automatically search and add the JRE for you adding java9 JRE to eclipse

5. Create your first Java9 project

Now you are all set to write your first Java9 project, Just go and create a new Java project and you will see Java9 selected by default in JRE section

Creating Java9 project in eclipse