java.net

Interfaces  ContentHandlerFactory DatagramSocketImplFactory FileNameMap SocketImplFactory SocketOptions URLStreamHandlerFactory

Classes  Authenticator ContentHandler DatagramPacket DatagramSocket DatagramSocketImpl HttpURLConnection InetAddress JarURLConnection MulticastSocket NetPermission PasswordAuthentication ServerSocket Socket SocketImpl SocketPermission URL URLClassLoader URLConnection URLDecoder URLEncoder URLStreamHandler

Exceptions  ConnectException MalformedURLException ProtocolException SocketException UnknownHostException UnknownServiceException