A summary - http://tech.puredanger.com/java7 http://www.developer.com/java/article.php/3864871/The-Java-7-Features-Bound-to-Make-Developers-More-Productive.htm 

concurrency improvement - http://www.infoq.com/news/2007/07/concurrency-java-se-7

Finally it is confirmed - http://www.petefreitag.com/item/778.cfm

You can do this in Java7, look pretty nice 
<pre>try{
    try-code
}
catch (SQLException | IOException) {
    catch-code
}</pre>
http://extreme-java.blogspot.com/2011/05/jdk-7-multi-catch-blocks-for-exceptions.html