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