http://www.oracle.com/us/corporate/events/java7/index.html
A summary of Java 7 features (my rough notes from the talk):
JSR 292 - invokedynamic - the davinci machine
more languages on jvm, new bytecode, dynamic languages
Project Coin JSR 334
small changes, syntactic sugar, String in switch, constructor generic inference, multi-catch, try with resources to properly close all resources
Concurrency and collections updates JSR 166y
lightweight fork/join framework
network and file system JSR 203
zip and jar archives
enhanced JMX agent and mbeans from jrockit
security: elliptic curve cryptography, TLS 1.2, DEP
unicode 6.0
Windows Server 2008 support
JDK7 to be released July 28
JDK8 to include jigsaw, closures late 2012 - possible JSON serialization
