Networking Enhancements in Java SE 7

The URLClassLoader.close method has been added. This method effectively eliminates the problem of how to support updated implementations of the classes and resources loaded from a particular codebase, and in particular from JAR files. See Closing a URLClassLoader for more information.

The Sockets Direct Protocol (SDP) provides access to high performance network connections; see Understanding the Sockets Direct Protocol in The Java Tutorial.

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