Hello

[Christian Thalinger]

> On Apr 24, 2016, at 11:37 PM, Jaroslav Kameník <jaroslav at kamenik.cz> wrote:
> 
> Hi all,
> 
> I am the new one here, so I'd like to greet you all.
> 
> I am using Java for loong time, and I'd like to not just use it, but help
> with its development too. I am interested in low level internal
> things, i'd like to learn more about hotspot/graal.

Welcome!  If you are interested in Graal technology you should start here:

http://openjdk.java.net/projects/graal/
https://wiki.openjdk.java.net/display/Graal/Main
http://mail.openjdk.java.net/mailman/listinfo/graal-dev

The main development has moved to Github:

https://github.com/graalvm/graal-core

and there is a public Gitter chat room:

https://gitter.im/graalvm/graal-core

> 
> Jaroslav