Class Summary |
Authenticator |
This abstract class provides a model for obtaining authentication
information (in the form of a username and password) required by
some network operations (such as hitting a password protected
web site). |
ContentHandler |
This is an abstract class that is the superclass for classes that read
objects from URL's. |
DatagramPacket |
This class models a packet of data that is to be sent across the network
using a connectionless protocol such as UDP. |
DatagramSocket |
This class models a connectionless datagram socket that sends
individual packets of data across the network. |
DatagramSocketImpl |
This abstract class models a datagram socket implementation. |
HttpURLConnection |
This class provides a common abstract implementation for those
URL connection classes that will connect using the HTTP protocol. |
Inet4Address |
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Inet6Address |
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InetAddress |
This class models an Internet address. |
InetSocketAddress |
InetSocketAddress instances represent socket addresses
in the java.nio package. |
JarURLConnection |
This abstract class represents a common superclass for implementations
of jar URL's. |
MulticastSocket |
This class models a multicast UDP socket. |
NetPermission |
This class is used to model miscellaneous network permissions. |
NetworkInterface |
This class models a network interface on the host computer. |
PasswordAuthentication |
This class serves a container for username/password pairs. |
Proxy |
Defines a proxy setting. |
ProxySelector |
Class for handling proxies for different connections. |
ServerSocket |
This class models server side sockets. |
Socket |
This class models a client site socket. |
SocketAddress |
Abstract base class for InetSocketAddress. |
SocketImpl |
This abstract class serves as the parent class for socket implementations. |
SocketPermission |
This class models a specific set of permssions for connecting to a
host. |
URI |
A URI instance represents that defined by
RFC3986,
with some deviations. |
URL |
This final class represents an Internet Uniform Resource Locator (URL). |
URLClassLoader |
A secure class loader that can load classes and resources from
multiple locations. |
URLConnection |
This class models a connection that retrieves the information pointed
to by a URL object. |
URLDecoder |
This utility class contains static methods that converts a
string encoded in the x-www-form-urlencoded format to the original
text. |
URLEncoder |
This utility class contains static methods that converts a
string into a fully encoded URL string in x-www-form-urlencoded
format. |
URLStreamHandler |
This class is the superclass of all URL protocol handlers. |
Exception Summary |
BindException |
This exception indicates that an error occurred while attempting to bind
socket to a particular port. |
ConnectException |
This exception indicates that an error occurred while attempting to
connect to a remote host. |
MalformedURLException |
This exception indicates that a URL passed to an object was not in a
valid format. |
NoRouteToHostException |
This exception indicates that there is no TCP/IP route to the requested
host. |
PortUnreachableException |
This exception signals that an ICMP port unreachable datagram has been
received. |
ProtocolException |
This exception indicates that some sort of low level protocol
exception occurred. |
SocketException |
This exception indicates that a generic error occurred related to an
operation on a socket. |
SocketTimeoutException |
This exception signals that a socket read or accept timed out. |
UnknownHostException |
This exception indicates that an attempt was made to reference a hostname
or IP address that is not valid. |
UnknownServiceException |
Contrary to what you might think, this does not indicate that the
TCP/IP service name specified was invalid. |
URISyntaxException |
This exception is thrown when a String cannot be parsed as a URI. |