java.net

インタフェース  ContentHandlerFactory DatagramSocketImplFactory FileNameMap SocketOptions URLStreamHandlerFactory

クラス  ContentHandler DatagramPacket DatagramSocket DatagramSocketImpl Inet4Address Inet6Address InetAddress InetSocketAddress JarURLConnection NetPermission NetworkInterface SocketAddress SocketPermission URL URLClassLoader URLConnection URLStreamHandler

例外  BindException MalformedURLException PortUnreachableException ProtocolException SocketException SocketTimeoutException UnknownHostException UnknownServiceException