// This appears in Core Web Programming from
// Prentice Hall Publishers, and may be freely used
// or adapted. 1997 Marty Hall, hall@apl.jhu.edu.

/** A Shape with straight edges (open or closed).
 *  Subclasses will include Line, LineSegment,
 *  LinkedLineSegments, and Polygon.
 */

public abstract class StraightEdgedShape extends Shape {}