Oracle release Java 7 Standard Edition in 2011 July 28! This is a big news for programmers.
"We are excited to announce Java 7 is released!
With years of hard work from our dedicated engineers, the largest team ever to work on the Java language and platform, as well as valuable input from the Java community, we are moving Java forward with this release.
This release contains new language features (JSR 334), support for dynamic languages (JSR 292), a new multicore-ready API (JSR 166), new I/O APIs (JSR 203), and many other new features."
(from Oracle official site)
Java 7 SE downloading link: Java 7 downloads
The Java 6 was released in 2006 Dec 11, there have been almost 5 years passed. The time is long, but the next version Java 8 expected to be released on late of 2012.
Java programmers must check the important technology changes in Java 7:
Highlights of Technology Changes in Java SE 7
IO and New IO
Rich Internet Applications (RIA)/Deployment
Requesting and Customizing Applet Decoration in Dragg able Applets
Embedding JNLP File in Applet Tag
Deploying without Codebase
Handling Applet Initialization Status with Event Handlers
Java XML - JAXP, JAXB, and JAX-WS
Multithreaded Custom Class Loaders in Java SE 7
Java Programming Language
Strings in switch Statements
The try-with-resources Statement
Catching Multiple Exception Types and Rethrowing Exceptions with Improved Type Checking
Underscores in Numeric Literals
Type Inference for Generic Instance Creation
Improved Compiler Warnings and Errors When Using Non-Reifiable Formal Parameters with Varargs Methods
Java Virtual Machine (JVM)
Java Virtual Machine Support for Non-Java Languages
Java HotSpot Virtual Machine Performance Enhancements
All features please visit Oracle official site.