Networking Enhancements

Changes to the java.net package in JDK1.1

• Extendable Socket and ServerSocket
  The design, rationale, and how to do it.
  
• Socket Options
  New methods to support popular BSD-style options in the java base classes, (and subclasses can define their own)
  
• Socket Exceptions
  New subclasses of SocketException for finer granularity of handling network errors
  
• Miscellaneous
  Important bug fixes, new constructors, new methods, and others

Networking API Reference
(javadoc)

• java.net Package