How to get the value from Scriplet to JavaScript variable

In javascript function.....

function mywork()
{
<%String projectName="India" %>
var prjName='<%=projectName%>';

}

or
function mywork()
{
<%String projectName="India"%>
var pname;
document.getElementById( '<%=projectName%>' )=pname;
}

thus scriplet element is converted to javascript variable...

How to get javaScript variable to Java

In javascript function...

function mywork()
{
var q= "java";
document.SubmitForm.myelement.value=q;
document.SubmitForm.submit();
}

Under Jsp body.....


form name="SubmitForm" action="ActionSubmitForm" method="post"
input type="hidden" name="myelement"
input type="button" value="SUBMIT" onclick="mywork()"


In java...we can get the value of javascript variable "q" by

String str=request.getParameter("myelement");
System.out.println(str);

// here we can get the value of str as "java"

How to get current date in java

import java.text.SimpleDateFormat;
import java.util.Date;

Date date = new java.util.Date();
SimpleDateFormat formatter = new SimpleDateFormat("dd/MM/yyyy");
String dd = formatter.format(date);