graeme_p - 3:31 pm on May 12, 2010 (gmt 0)

The UI on chrome is java powered isn't it

I think not - the Chromium site on Google Code does not list Java as a prerequisite for building Chromium.

On the other hand, the Firefox UI is done in XUL, which means Javascript, with is slower, although probably lighter on memory, than Java.

Java has a lot of advantages over C for many applications.