Servlet Tutorial
Servlet Home
Servlet Introduction
Life cycle of servlets
Web.xml in Servlets
Execute the Servlets
Servlet Program
Http Servlet
Generate a War File
ServletConfig
Obtaining ServletConfig Object
ServletContext
Obtain ServletContext Object
Handling Form Data
Handling HTML data in Servlet
Validation of a form
Servlet Chaining
Attribute scopes
ServletContext scope
Session Management
Cookies
HTTP Session
Hidden Flow Fields
Hidden flow fields
Hidden form fields are also a kind of session management technique which allows us to maintain an identity of the client for a period of time.
<input type="hidden" name="name of the hidden component" value="value of the hidden component">
For example:
<input type="hidden" name="age" value="req.getParameter ("age1")"> <input type="hidden" name="skills" value="J2EE">