<%@ page import="java.util.Date" %>
<%@ page import="java.text.DateFormat" %>
<%@ page import="java.text.SimpleDateFormat" %>

DateFormat dateFormat = new SimpleDateFormat("yyMMddHHmm");
Date date = new Date();
String tsp = dateFormat.format(date);
int itsp = Integer.parseInt(tsp);
itsp = itsp + 60; // plus 60 Min
out.println(itsp);