java.net

接口  ContentHandlerFactory CookiePolicy CookieStore DatagramSocketImplFactory FileNameMap SocketImplFactory SocketOptions URLStreamHandlerFactory

类  Authenticator CacheRequest CacheResponse ContentHandler CookieHandler CookieManager DatagramPacket DatagramSocket DatagramSocketImpl HttpCookie HttpURLConnection IDN Inet4Address Inet6Address InetAddress InetSocketAddress InterfaceAddress JarURLConnection MulticastSocket NetPermission NetworkInterface PasswordAuthentication Proxy ProxySelector ResponseCache SecureCacheResponse ServerSocket Socket SocketAddress SocketImpl SocketPermission URI URL URLClassLoader URLConnection URLDecoder URLEncoder URLStreamHandler

枚举  Authenticator.RequestorType Proxy.Type

异常  BindException ConnectException HttpRetryException MalformedURLException NoRouteToHostException PortUnreachableException ProtocolException SocketException SocketTimeoutException UnknownHostException UnknownServiceException URISyntaxException