JDK 7 Platform图：
<图已遗失>
JDK 7 Platform
其中,比较关注：
- VisualVM
- Networking(Classloader)
- NIO
- Collections
- Concurrency
- Performance
- Garbage-First Collector
- Modularization
Resource:
http://openjdk.java.net/projects/jdk7/features/
http://java.sun.com/javase/7/docs/
http://java.sun.com/javase/7/webnotes/index.html