jsp Implicit objects request object in JSP
Example
used to get request information such as parameter, header information, remote address, server name, server port, content type, character encoding.
Index.html
<form action="req.jsp">
<input type="text" name="username">
<input type="submit" value="go"><br/>
</form>
req.jsp
<%
String name=request.getParameter("username");
out.print("welcome "+name);
%>
