A URLConnection for an http URL will set up the request line and the MIME header for you as long as you set its doOutput field to true by invoking setDoOutput(true).
A URLConnection for an http URL will set up the request line and the MIME header for you as long as you set its doOutput field to true by invoking setDoOutput(true).
If you also want to read from the connection, you should set doInput to true with setDoInput(true) too.