Void (Graphics2D g) { paintLines(g, StrokeType.CENTERED, LINE_LEN + 2, LINE_LEN + 2); paintLines(g, StrokeType.CENTERED_CAPS_SQUARE, LINE_LEN * 2 + 2, 0); paintLines(g, StrokeType.INSIDE, LINE_LEN * 2 + 2, 0); paintLines(g, StrokeType.OUTSIDE, LINE_LEN * 2 + 2, 0); return null; }