private Figure findConnectableFigure(int x, int y, Drawing drawing) {
   FigureEnumeration fe = drawing.figuresReverse();
   while (fe.hasNextFigure()) {
     Figure figure = fe.nextFigure();
     if (!figure.includes(getConnection()) && figure.canConnect() && figure.containsPoint(x, y)) {
       return figure;
     }
   }
   return null;
 }
 private Figure findConnectableFigure(int x, int y, Drawing drawing) {
   FigureEnumeration k = drawing.figuresReverse();
   while (k.hasMoreElements()) {
     Figure figure = k.nextFigure();
     if (!figure.includes(getConnection()) && figure.canConnect()) {
       if (figure.containsPoint(x, y)) {
         return figure;
       }
     }
   }
   return null;
 }