My understanding is, it is Linux.

> the story is very simple. I have an Acer Laptop with JDS3 installed. The Laptop
> has a Swiss-French Keyboard, which means I have to use the combination "Alt Gr
> - e`" to type a square bracket and "Alt Gr - a` for a "{". Works perfect in X
> (X11) and in Gnome: I am able to type any kind of characters displayed on my
> keyboard layout.
> I noticed strange things happening with Java when I started using NetBeans 4.1.
> I noticed that I wasn't anymore able to type a "[" or "{". I thought that this
> was strictly a configuration issue in NetBeans but ended up finding that I had
> the very same issue in any Java application (e.g. "Disk Analyzer" shipped
> standard with JDS3)

I cannot reproduce this on a regular desktop keyboard (it has a simpler way to enter these symbols).