class Bot{
  public static void main(String args[]){
    Wechaty bot = Wechaty.instance()
      .onScan((qrcode, statusScanStatus, data) -> System.out.println(QrcodeUtils.getQr(qrcode)))
      .onLogin(user -> System.out.println("User logined :" + user))
      .onMessage(message -> System.out.println("Message:" + message))
      .start(true);
  }
}