Recent Java references?

I've been programming java, but I've been away from it for some time Anyone can recommend a very good java reference, in which "really good" is defined as "good coverage of the language, detailed reports of recent extensions, and books written for technical readers (not" fools) "?

Solution

In addition to referring to the changes in the language (other answers are better than me), I can't highly recommend the second edition of effective Java by Joshua Bloch – which explains the most effective way to use the language