if (user != null) p.setProperty("user", user); if (password != null) p.setProperty("password", password);  return getConnection(url, p);
return d.connect(url, properties);
  public static Connection getConnection(String url, String user,    String password) throws SQLException  {    Properties p = new Properties();    if (user != null)      p.setProperty("user", user);    if (password != null)      p.setProperty("password", password);    return getConnection(url, p);  }