What is doGet method?
What is doGet method?
doGet(HttpServletRequest req, HttpServletResponse resp) Called by the server (via the service method) to allow a servlet to handle a GET request. protected void. doHead(HttpServletRequest req, HttpServletResponse resp) Receives an HTTP HEAD request from the protected service method and handles the request.
What does doPost method do in servlet?
doPost. Called by the server (via the service method) to allow a servlet to handle a POST request. The HTTP POST method allows the client to send data of unlimited length to the Web server a single time and is useful when posting information such as credit card numbers.
What type of servlet use these methods doGet () doPost () doHead () doDelete () doTrace ()?
HttpServlets – doGet(), doPost(),doHead, doDelete(), doTrace() – Servlets.
What is the difference between Doget() and doPost() methods?
The differences between the doGet () and doPost () methods are that they are called in the HttpServlet that your servlet extends by its service () method when it recieves a GET or a POST request from a HTTP protocol request. The GenericServlet has a service () method that gets called when a client request is made.
What is the difference between doPost() and getpost() in servlet?
If you submit using POST, doPost () will be invoked this time. If you only implement doPost () but the form will use GET, servlet container will throw an exception. In many programs the server doesn’t care whether the request uses GET or POST, that’s why one method simply delegates to another.
What is the difference between Doget and dodopot in PHP?
doPot(): this method is designed to send unlimited amount of data along with the request to web resource. 0. In doGet Method the parameters are appended to the URL and sent along with header information In doPost, parameters are sent in separate line in the body.
What is the use of Doget() method in servlet?
If a Servlet is listening on the URL in question, then its doGet () method will be called. It’s usually used to preprocess a request. I.e. doing some business stuff before presenting the HTML output from a JSP, such as gathering data for display in a table.
