fillArc in the statement:

   public abstract void fillArc(int x, int y, int width, int height, int startAngle, int arcAngle)

is the name of the method. You would call this method using its name as follows:

   page.fillArc(  150, 200, 200, 200, 250, 40) ;

where "page" is the name of the Graphics object whose fillArc() method is being called, and "150, 200, 200, 200, 250, 40" (the values in the ()'s) are the inputs to the fillArc() method.