code: private Shape createEllipseInternal(int x, int y, int w, int h) {
          ellipse.setFrame(x, y, w, h);
  
          return ellipse;
      }
docs: Return a path for an ellipse.
  
  @param  x the X coordinate of the upper-left corner of the ellipse
  @param  y the Y coordinate of the upper-left corner of the ellipse
  @param  w the width of the ellipse
  @param  h the height of the ellipse
  
  @return a path representing the shape.