private void drawEllipse(Point2D point,double oRadius,Graphics2D g2){
  Ellipse2D dot=new Ellipse2D.Double(point.getX() + oRadius / 2,point.getY(),oRadius,oRadius);
  g2.draw(dot);
}

private void drawEllipse ( Point2D point , double oRadius , Graphics2D g2 ) { Ellipse2D dot = new Ellipse2D . Double ( point . getX ( ) + oRadius / 2 , point . getY ( ) , oRadius , oRadius ) ; g2 . draw ( dot ) ; }
draws a dot to represent an outlier .
