What are the new features in Java 7?

Major changes in JDK7 include the following:

  • JSR 203: More New I/O APIs for the Java Platform - You can now transform File to Path, bind a channel’s socket and manipulate socket options directly, and run tens of thousands of streams in separate threads with true asynchronous I/O.
  • JSR 292: Dynamically Typed Languages on the Java Platform - The Da Vinci Machine Project extends JVM support to dynamic languages.
  • JSR 334: Small Enhancements to the Java Programming Language - Project Coin adds a number of small changes to Java.
  • JSR 199: Java Compiler API - The API has been updated to provide Java compiler-to-programmatic interaction, as well as the javac command-line tool.
  • JSR 206: Java API for XML Processing (JAXP) - This API allows Java to process XML code.
  • JSR 222: Java Architecture for XML Binding (JAXB) - JAXB maps Java classes to XML representations.
  • JSR 224: Java API for XML-Based Web Services (JAX-WS) - This API provides a programming model for developing Web services applications and clients.
  • JSR 269: Pluggable Annotation-Processing API - This API includes powerful new features for annotating classes, fields and methods.

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Developer.com article on Java 7 features

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