Java 7 is big. The Java Virtual Machine will support dynamic languages. Strings can be used in a switch statement. The JVM performance has been improved. A new garbage collector called the G1 is the source of the speed up.There are other niche additions to Java in Java 7. For example, in the security world, there will be support for curve cryptography. Personally I care little about JVM support for dynamic languages. Java with its static typing is fine for me.
