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02/10/2016 Categories: Servlets. No Comments on Retrieving Parameters in Servlets

It is common in web applications to pass data or parameters from one to another page. To retrieve the values of various elements in a HTML form or from another page, we can use the following methods which are available in HttpServletRequest object:

  • String getParameter(String  name)
  • Enumeration getParameterNames()
  • String[] getParamterValues(String  name)

 

Following example demonstrates retrieving data from a login page to a servlet:

login.html

 

web.xml

 

Authenticate.java

 

In the above example we are retrieving the data from login page using the getParameter() method.

 

Video: Retrieving Parameters

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