спецификации, руководства, описания, API

Networking Features

New Features and Enhancements

For completeness, this section includes documentation related to changes to the java.net package made previously in the Java 1.1 platform:

Networking Overview (also available in PDF)
Overview of networking facilities in java.net, including Addressing, Making TCP Connections, Sending/Receiving Datagram Packets via UDP, Locating/Identifying Network Resources, and Security.
URLConnection Caching API
Detailed overview, with code samples, of the new cache management API.
Cookie Management
Overview of how to deal with cookies, often used as an HTTP state management mechanism, in J2SE 5.0.
Persistent Connections
Overview of the HTTP persistent connections (aka keep alive mechanisms), and the means to control them.
Java Networking and Proxies
In depth exploration, with code samples, of proxy management Java networking APIs including the newly introduced ProxySelector mechanism.
IPv6 Support (also available in PDF)
IPv6 support, including special IPv6 address types and dual-stack node.
Networking Properties
Descriptions of properties used by networking.
Orderly Versus Abortive Connection Release in Java
How to ensure orderly or graceful release of TCP connections in Networking applications.
Extendable Socket and ServerSocket
The design, rationale, and how to do it.
Socket Options
Support for popular BSD-style options in the java base classes.
Socket Exceptions
Subclasses of SocketException for finer granularity of handling network errors.
Miscellaneous
Important bug fixes, new constructors, new methods, and more.