public static GridPaneEx paneEx(double top,double right,double bottom,double left){
  GridPaneEx paneEx=new GridPaneEx();
  paneEx.setPadding(new Insets(top,right,bottom,left));
  return paneEx;
}

public static GridPaneEx paneEx ( double top , double right , double bottom , double left ) { GridPaneEx paneEx = new GridPaneEx ( ) ; paneEx . setPadding ( new Insets ( top , right , bottom , left ) ) ; return paneEx ; }
create grid pane with default padding .
