sso.jsp displays the user principal name. You can place any secured content there.
<%@ page import="javax.servlet.*"%>
<%@ page import="java.security.*"%>
<%@ page import="javax.servlet.http.*"%>
<%
Principal p = null;
p = request.getUserPrincipal();
%>
<h1 align="center"> Single Sign On Example</h1>
SSO user Principal Name is <%=p.getName()%>