Which method of the HttpServletRequest object is used?
Object of the HttpServletRequest is created by the Servlet container and, then, it is passed to the service method (doGet(), doPost(), etc.) of the Servlet. Extends the ServletRequest interface to provide request information for HTTP servlets.
Which methods are belong to HttpServletRequest interface?
Session management related methods in HttpServletRequest are:
- HttpSession getSession (Boolean create) Current valid session object.
- HttpSession getSession()
- String getRequestedSessionId()
- Boolean isRequestedSessionIdValid()
- Boolean isRequestedSessionId from Cookies.
- Boolean isRequestedSessionIdFromURL()
Which methods are defined in HttpServlet class?
The HttpServlet class extends the GenericServlet class and implements Serializable interface. It provides http specific methods such as doGet, doPost, doHead, doTrace etc.
Which of the following method of HttpServletRequest interface is used to return?
javax.servlet.http Interface HttpServletRequest
| Method Summary | |
|---|---|
| java.lang.String | getAuthType() Returns the name of the authentication scheme used to protect the servlet. |
| java.lang.String | getServletPath() Returns the part of this request’s URL that calls the servlet. |
Is HttpServletRequest a class or interface?
Both ServletRequest and HttpServletRequest are also the interface . ServletRequest represents the most generic concept of a request .
Which method does not exist in HttpServlet class?
Unlike Generic Servlet, the HTTP Servlet doesn’t override the service() method. Instead it overrides the doGet() method or doPost() method or both. The doGet() method is used for getting the information from server while the doPost() method is used for sending information to the server.
Why HttpServlet class is abstract?
It is abstract because the implementations of key methods have to be provided by (e.g. overridden by) a custom servlet class. As the javadoc says: A subclass of HttpServlet must override at least one method, usually one of these: doGet, if the servlet supports HTTP GET requests.
Which HttpServlet method handles the delete request?
doDelete. Called by the server (via the service method) to allow a servlet to handle a DELETE request. The DELETE operation allows a client to remove a document or Web page from the server. This method does not need to be either safe or idempotent.
Which one of the method is included in an HttpServlet?
http. HttpServlet’ . To create a servlet the class must extend the HttpServlet class and override at least one of its methods (doGet, doPost, doDelete, doPut). The HttpServlet class extends the GenericServlet class and implements a Serializable interface.
How many abstract methods are there with HttpServlet?
three methods
As Interface has 3 main methods ( init() , service() and destroy() ) which is implemented by the HttpServlet (abstract class) which is extended by your servlet class which process the browser requests made to the server using these three methods.
Which method is used to set an attribute in servlet?
public void setAttribute(String name, Object obj) method is used to SET an Attribute.
WHO calls doGet () and doPost () method?
If the HTTP Method is a GET, the service() method calls doGet(). If the HTTP request Method is a POST, the service() method calls doPost().
What are the functions of doGet and doPost () methods?
The doGet() method is used for getting the information from server while the doPost() method is used for sending information to the server.