Class Summary |
Authenticator |
The class Authenticator represents an object that knows how to obtain
authentication for a network connection. |
ContentHandler |
The abstract class ContentHandler is the superclass
of all classes that read an Object from a
URLConnection . |
DatagramPacket |
This class represents a datagram packet. |
DatagramSocket |
This class represents a socket for sending and receiving datagram packets. |
DatagramSocketImpl |
Abstract datagram and multicast socket implementation base class. |
HttpURLConnection |
A URLConnection with support for HTTP-specific features. |
InetAddress |
This class represents an Internet Protocol (IP) address. |
JarURLConnection |
A URL Connection to a Java ARchive (JAR) file or an entry in a JAR
file. |
MulticastSocket |
The multicast datagram socket class is useful for sending
and receiving IP multicast packets. |
NetPermission |
This class is for various network permissions. |
PasswordAuthentication |
The class PasswordAuthentication is a data holder that is used by
Authenticator. |
ServerSocket |
This class implements server sockets. |
Socket |
This class implements client sockets (also called just
"sockets"). |
SocketImpl |
The abstract class SocketImpl is a common superclass
of all classes that actually implement sockets. |
SocketPermission |
This class represents access to a network via sockets. |
URL |
Class URL represents a Uniform Resource
Locator, a pointer to a "resource" on the World
Wide Web. |
URLClassLoader |
This class loader is used to load classes and resources from a search
path of URLs referring to both JAR files and directories. |
URLConnection |
The abstract class URLConnection is the superclass
of all classes that represent a communications link between the
application and a URL. |
URLDecoder |
The class contains a utility method for converting from
a MIME format called "x-www-form-urlencoded "
to a String
|
URLEncoder |
The class contains a utility method for converting a
String into a MIME format called
"x-www-form-urlencoded " format. |
URLStreamHandler |
The abstract class URLStreamHandler is the common
superclass for all stream protocol handlers. |
Exception Summary |
BindException |
Signals that an error occurred while attempting to bind a
socket to a local address and port. |
ConnectException |
Signals that an error occurred while attempting to connect a
socket to a remote address and port. |
MalformedURLException |
Thrown to indicate that a malformed URL has occurred. |
NoRouteToHostException |
Signals that an error occurred while attempting to connect a
socket to a remote address and port. |
ProtocolException |
Thrown to indicate that there is an error in the underlying
protocol, such as a TCP error. |
SocketException |
Thrown to indicate that there is an error in the underlying
protocol, such as a TCP error. |
UnknownHostException |
Thrown to indicate that the IP address of a host could not be determined. |
UnknownServiceException |
Thrown to indicate that an unknown service exception has
occurred. |
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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples. Java, Java 2D, and JDBC are trademarks or registered trademarks of Sun Microsystems, Inc. in the US and other countries.
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