Interface | Description |
---|---|
RequestDispatcher |
Defines an object that receives requests from the client
and sends them to any resource (such as a servlet,
HTML file, or JSP file) on the server.
|
Servlet |
Defines methods that all servlets must implement.
|
ServletConfig |
A servlet configuration object used by a servlet container
used to pass information to a servlet during initialization.
|
ServletContext |
Defines a set of methods that a servlet uses to communicate with its
servlet container, for example, to get the MIME type of a file, dispatch
requests, or write to a log file.
|
ServletRequest |
Defines an object to provide client request information to a servlet.
|
ServletResponse |
Defines an object to assist a servlet in sending a response to the client.
|
SingleThreadModel |
Ensures that servlets handle
only one request at a time.
|
Class | Description |
---|---|
GenericServlet |
Defines a generic, protocol-independent
servlet.
|
ServletInputStream |
Provides an input stream for reading binary data from a client
request, including an efficient
readLine method
for reading data one line at a time. |
ServletOutputStream |
Provides an output stream for sending binary data to the
client.
|
Exception | Description |
---|---|
ServletException |
Defines a general exception a servlet can throw when it
encounters difficulty.
|
UnavailableException |
Defines an exception that a servlet throws to indicate
that it is permanently or temporarily unavailable.
|
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