code: public void set(double x, double y, double r, double radStart, double radEnd) {
          this.x = x;
          this.y = y;
          this.w = r * 2;
          this.h = r * 2;
          this.radStart = radStart;
          this.radEnd = radEnd;
      }
docs: Sets a Arc object using x and y-coordinate of the Arc, width, height, start and end points of
  degree properties.
  
  @param x The x-coordinate of the Arc.
  @param y The y-coordinate of the Arc.
  @param r The radius of the Arc.
  @param radStart The start degree of the Arc.
  @param radEnd The end degree of the Arc.