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How to read form data in servlet?

Servlets handles form data parsing by the following methods depending on the situation:

  • getParameter(): This method is used to get the value of a form parameter.
  • getParameterValues(): This method is used to get the values of a parameter which appears more than once and returns multiple values, for example checkbox.
  • getParameterNames(): This method is used to get complete list of all parameters in the current request.

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