| Class | Description | 
|---|---|
| Circle | Class for containing a circle (specified by the radius and the location of the center)
 MOVES Institute
 Naval Postgraduate School, Monterey, CA
 www.nps.edu | 
| Geometry | Abstract class for a 2D geometric object (point, line, or shape)
 MOVES Institute
 Naval Postgraduate School, Monterey, CA
 www.nps.edu | 
| LineSegment | Class for representing a line segment in 2D space. | 
| Point | MOVES Institute
 Naval Postgraduate School, Monterey, CA
 www.nps.edu |