public static Pane buttonsPane(Pos alignment,boolean dfltPadding,Button... btns){
  HBox hb=hBox(10,dfltPadding,btns);
  hb.setAlignment(alignment);
  return hb;
}

public static Pane buttonsPane ( Pos alignment , boolean dfltPadding , Button ... btns ) { HBox hb = hBox ( 10 , dfltPadding , btns ) ; hb . setAlignment ( alignment ) ; return hb ; }
create pane with buttons .
