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How to read form data using JSP?
JSP handles requests using getParameter() method to read simple parameters and getInputStream() method to read binary data stream coming from the client.
Reading Form Data using JSP
JSP handles form data parsing automatically using the following methods depending on the situation −
getParameter(): You call request.getParameter() method to get the value of a form parameter.
getParameterValues(): Call this method if the parameter appears more than once and returns multiple values, for example, checkbox.
getParameterNames(): Call this method if you want a complete list of all parameters in the current request.
getInputStream(): Call this method to read binary data stream coming from the client.
Published on 20-Mar-2019 08:18:46
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