I've just updated Java from 1.6 to 1.7 via the Software Centre - removing the old Java 1.6 and selecting the new Java 1.7.
Firefox works fine.
But when I use Google Chrome to access a Java test website it says the Plugin is out of date. I click on run anyway and it says that it's running version 1.7.
I've cleared Chrome's Cache and Plugin data and this hasn't changed anything.
(Ps. It's Ubuntu 12.04 64 bit)