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. |