Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community!

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

Java Local Development Environments How it Works Check Your Installation

Jonathan Hector
Jonathan Hector
5,225 Points

I currently have Java 9 installed and it won't recognise it. Why?

Though Java 9 is not officially released, I am a student in IT and taking the course to get a head start. Wonder why it is not accepting it.

# Paste your info below
jonathans-mbp:~ jonathanhector$ java -version
java version "9-ea"
Java(TM) SE Runtime Environment (build 9-ea+149)
Java HotSpot(TM) 64-Bit Server VM (build 9-ea+149, mixed mode)
Jonathan Hector
Jonathan Hector
5,225 Points

I actually use 8 to compile my program and use Java 9 as a REPL to test the new features