Uses of Package
javax.servlet

Packages that use javax.servlet

javax.servlet	The javax.servlet package contains a number of classes and interfaces that describe and define the contracts between a servlet class and the runtime environment provided for an instance of such a class by a conforming servlet container.
javax.servlet.http	The javax.servlet.http package contains a number of classes and interfaces that describe and define the contracts between a servlet class running under the HTTP protocol and the runtime environment provided for an instance of such a class by a conforming servlet container.

Classes in javax.servlet used by javax.servlet

FilterChain
A FilterChain is an object provided by the servlet container to the developer giving a view into the invocation chain of a filtered request for a resource.

FilterConfig
A filter configuration object used by a servlet container to pass information to a filter during initialization.

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 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.

ServletContextAttributeEvent
This is the event class for notifications about changes to the attributes of the servlet context of a web application.

ServletContextEvent
This is the event class for notifications about changes to the servlet context of a web application.

ServletException
Defines a general exception a servlet can throw when it encounters difficulty.

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.

ServletRequest
Defines an object to provide client request information to a servlet.

ServletRequestAttributeEvent
This is the event class for notifications of changes to the attributes of the servlet request in an application.

ServletRequestEvent
Events of this kind indicate lifecycle events for a ServletRequest.

ServletResponse
Defines an object to assist a servlet in sending a response to the client.

Classes in javax.servlet used by javax.servlet.http

GenericServlet
Defines a generic, protocol-independent servlet.

Servlet
Defines methods that all servlets must implement.

ServletConfig
A servlet configuration object used by a servlet container 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.

ServletException
Defines a general exception a servlet can throw when it encounters difficulty.

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.

ServletRequest
Defines an object to provide client request information to a servlet.

ServletRequestWrapper
Provides a convenient implementation of the ServletRequest interface that can be subclassed by developers wishing to adapt the request to a Servlet.

ServletResponse
Defines an object to assist a servlet in sending a response to the client.

ServletResponseWrapper
Provides a convenient implementation of the ServletResponse interface that can be subclassed by developers wishing to adapt the response from a Servlet.