code: public static void antialiasing( Graphics2D g2 ) {
  		g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
  		g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
  	}
docs: Sets rendering hints that will enable antialiasing and make sub pixel rendering look good
  @param g2