SE452: The Servlet Framework [10/24]

javax.servlet.Servlet

• Defines methods that all servlets must implement.
• init(), service(), destroy()

abstract class javax.servlet.GenericServlet

• Defines a generic, protocol-independent servlet.
• init(), service(), destroy()

abstract class javax.servlet.http.HttpServlet

• Defines a servlet using the HTTP protocol.
• doGet(), doPost(), etc.

interface javax.servlet.SingleThreadModel

• Ensures that servlets handle only one request at a time.
• Has been Deprecated in 2.4... What does that mean?
• Marker interface. Defines no methods

interface javax.servlet.ServletRequest

• provides client request information to a servlet.

interface javax.servlet.ServletResponse

• assists a servlet in sending a response to the client.

interface javax.servlet.http.HttpServletRequest extends javax.servlet.ServletRequest

• provides request information for HTTP servlets.

interface javax.servlet.http.HttpServletResponse extends javax.servlet.ServletResponse

• provides HTTP-specific functionality in sending a response.