A BindException is thrown when a process cannot bind a local address/port, either because it is already bound or reserved by the OS. Most… API Doc
 Legacy security code; do not use.  API Doc
 Represents the proxy type. API Doc
 A response cache entry. A CacheResponse object provides an InputStream to access the response body and a Map for the response headers. API Doc
 This class converts the content of a certain format (i.e. a MIME type) into a Java type object. It is created by ContentHandlerFactory. The data … API Doc
 If a HTTP request has to be retried, this exception will be thrown if the request cannot be retried automatically.  API Doc
 This class establishes a connection to a jar: URL using the JAR protocol. A JarURLConnection instance can refer to either a JAR archive file or to… API Doc
 Signals that an ICMP Port Unreachable message has been received on a connected datagram. API Doc
 Selects the proxy server to use, if any, when connecting to the network resource referenced by a URL. A proxy selector is a concrete sub-class of… API Doc
 The abstract class SocketImpl is a common superclass of all classes that actually implement sockets. It is used to create both client and server… API Doc
 This class represents access to a network via sockets. A SocketPermission consists of a host specification and a set of "actions" specifying ways… API Doc
 Utility class for HTML form decoding. This class contains static methods for decoding a String from the application/x-www-form-urlencoded MIME… API Doc
 This class provides a way to manage cookies with a HTTP protocol handler.  API Doc
 CookiePolicy has three pre-defined policy. They are ACCEPT_ALL, ACCEPT_NONE and ACCEPT_ORIGINAL_SERVER respectively. They are used to decide which … API Doc
 An IPv4 address. See InetAddress.  API Doc
 An IPv6 address. See InetAddress.  API Doc
 The NoRouteToHostException will be thrown while attempting to connect to a remote host but the host cannot be reached for instance because of a … API Doc
 This class represents a proxy setting, typically a type (http, socks) and a socket address. A Proxy is an immutable object. API Doc
 Thrown to indicate that there is an error creating or accessing a Socket. API Doc
 This class loader is used to load classes and resources from a search path of URLs referring to both JAR files and directories. Any URL that ends… API Doc
 This interface defines a factory for URL stream protocol handlers. It is used by the URL class to create a URLStreamHandler for a specific… API Doc
 Enumeration class for the origin of the authentication request.  API Doc
 CacheRequest is a kind of channel for storing resource data in the ResponseCache. A protocol handler calls the OutputStream which is provided by… API Doc
 The abstract superclass for datagram and multicast socket implementations.  API Doc
 Thrown to indicate that an unknown service exception has occurred. Either the MIME type returned by a URL connection does not make sense, or the… API Doc
 Represents implementations of URLConnection caches. An instance of such a class can be registered with the system by doing … API Doc
 An implementation of this class is able to obtain authentication information for a connection in several ways. For this purpose it has to set the… API Doc
 A ConnectException is thrown if a connection cannot be established to a remote host on a specific port. Most applications should not catch this… API Doc
 This class provides a concrete implementation of CookieHandler. It separates the storage of cookies from the policy which decides to accept or… API Doc
 A CookieStore object is a repository for cookies. CookieManager will store cookies of every incoming HTTP response into CookieStore, and retrieve… API Doc
 This class represents a datagram packet which contains data either to be sent or received through a DatagramSocket. It holds additional… API Doc
 This class implements a UDP socket for sending and receiving DatagramPacket. A DatagramSocket object can be used for both endpoints of a connection… API Doc
 Defines a scheme for mapping a filename type to a MIME content type. Mainly used by URLStreamHandler for determining the right content handler to … API Doc
 An opaque key-value value pair held by an HTTP client to permit a stateful session with an HTTP server. This class parses cookie headers for all… API Doc
 An URLConnection for HTTP (RFC 2616) used to send and receive data over the web. Data may be of any type and length. This class may be used to… API Doc
 An Internet Protocol (IP) address. This can be either an IPv4 address or an IPv6 address, and in practice you'll have an instance of either… API Doc
 This class represents a socket endpoint described by a IP address and a port number. It is a concrete implementation of SocketAddress for IP.  API Doc
 Identifies one of a network interface's addresses. These are passed back from the JNI behind NetworkInterface.getNetworkInterfaces. Multiple… API Doc
 This exception is thrown when a program attempts to create an URL from an incorrect specification. API Doc
 This class implements a multicast socket for sending and receiving IP multicast datagram packets. API Doc
 This class is used to represent a network interface of the local device. An interface is defined by its address and a platform dependent name. The… API Doc
 This immutable class is a data structure that encapsulates username and password which is used by the Authenticator class. API Doc
 Thrown to indicate that there is an error in the underlying protocol, such as a TCP error. API Doc
 This class implements server sockets. A server socket waits for requests to come in over the network. It performs some operation based on that… API Doc
 This class implements client sockets (also called just "sockets"). A socket is an endpoint for communication between two machines. The actual… API Doc
 This class represents a Socket Address with no protocol attachment. As an abstract class, it is meant to be subclassed with a specific, protocol… API Doc
 Signals that a timeout has occurred on a socket read or accept. API Doc
 Represents a Uniform Resource Identifier (URI) reference. Aside from some minor deviations noted below, an instance of this class represents a… API Doc
 Checked exception thrown to indicate that a string could not be parsed as a URI reference. API Doc
 Class URL represents a Uniform Resource Locator, a pointer to a "resource" on the World Wide Web. A resource can be something as simple as a file… API Doc
 The abstract class URLConnection is the superclass of all classes that represent a communications link between the application and a URL.… API Doc
 Thrown to indicate that the IP address of a host could not be determined. API Doc

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