Arc

class Arc extends DJComponent {
      int centerX; // x-coordinate of the center of the circle
      int centerY; // y-coordinate of the center of the circle
      int diameter; // diameter of the circle 
                    // (width == height, diamter == width)
      int startAngle; // start angle of the arc
      int arcAngle; // angle of the arc
      boolean fill; // fill or not
}