HttpURLConnection: setInstanceFollowRedirects(boolean followRedirects)

import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;

public class Main {
  public static void main(String[] argv) throws Exception {
    HttpURLConnection.setFollowRedirects(false);

    URL url = new URL("http://hostname:80");
    URLConnection conn = url.openConnection();

    HttpURLConnection httpConn = (HttpURLConnection) conn;
    httpConn.setInstanceFollowRedirects(false);

    conn.connect();
  }
}