several requests from one HttpURLConnection

How can I do several request in one HttpURLConnection with Java?

 URL url = new URL("http://my.com");
 HttpURLConnection connection = (HttpURLConnection)url.openConnection();
 HttpURLConnection.setFollowRedirects( true );
 connection.setDoOutput( true );
 connection.setRequestMethod("GET"); 

 PrintStream ps = new PrintStream( connection.getOutputStream() );
 ps.print(params);
 ps.close();
 connection.connect();
 //TODO: do next request with other url, but in same connection

Thanks.