read all html fields servlets

getParameterNames() Example Servlets

One of the aspects of Servlets is reading the HTML/Applet data sent by the client like login data etc. For this, three methods exist in ServletRequest interface – getParameter(String), getParameterNames() and getParameterValues(String). These methods are inherited by HttpServletRequest interface. Following are the method signatures as defined in javax.servlet.ServletRequest interface. public…