There's still time to get the Early Bird discount of $400 for JavaOne 2012 but you'll have to be quick. The end date is 11.00pm Friday 13th July (Pacific Time). You can find out more information about registering for JavaOne 2012 at the registration page.
If you want to find out what sessions are going to be on at JavaOne 2012 have a look at the content catalog. It outlines the 283 conference sessions as well as hands-on labs, birds-of-a-feather and more.
JavaOne 2012 is being held in San Francisco from September 30th to October 4th, 2012. Have a look at the official JavaOne website for more info or follow the news on Twitter: @javaoneconf and Facebook.