Preview Release

JDK™ 7 is a feature release of the Java™ platform. It contains new features and enhancements in many functional areas. These Release Notes represent a preview version of the product content as the final version of JDK 7 has not been officially released.

The JDK 7 Documentation contains information about new JDK 7 features and pre-existing technologies. This content is being continually developed and improved as new features are integrated into the product.

See the following links to information on new JDK 7 features.

New Features and Enhancements

• The java.nio.file package and its related package, java.nio.file.attribute, provide comprehensive support for file I/O and for accessing the file system. See File I/O (featuring NIO 2.0) in the Java Tutorials
• Networking

• Sockets Direct Protocol (SDP) is a wire protocol developed to support stream connections over InfiniBand fabric. For more information, see Understanding the Sockets Direct Protocol a trail in the Java Tutorials.

• Closing a URL Classloader

• Java HotSpot Virtual Machine
  

• Compressed Oops in the Hotspot JVM

• Java HotSpot Virtual Machine Performance Enhancements

• Java Virtual Machine Suppport for Non-Java Languages

• Garbage-First Collector

• Supported Encodings

• Supported Locales

• Submitting a Bug Report and Available Support Options

• Copyright and License Terms for Documentation (also in docs bundle)