How to use Hidden field in JSP

Hidden field is part of HTML, but hidden field can be used with JSP. Hidden field can carry hidden data from one page to another action page. Value of hidden field can be get from request.getParameter method. Hidden field can be set from java data types e.g. String, int, float. 

<%@ page  language="java" %>
<%
 String hiddenFieldValue="MyHiddenValue";
%>
<html>
<head>
<title>Hidden fields in JSP</title>
</head>

<body>
<form name="frm" action="page2.jsp">

<input type="hidden" name="hdField" value="<%=hiddenFieldValue%>" />

<input type="text" name="txtField" />
<input type="submit" name="Submit" value="Submit">
</form>
</body>
</html>

get value of hidden field in page2.jsp

<%@ page language="java" %>
<%
 String getHiddenValue=request.getParameter("hdField");
 System.out.println("Hidden field Value :"+getHiddenValue);
%>

Output

Hidden field Value :MyHiddenValue
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