oracle.sdoapi.geom
Interfaces 
CircularArc
CoordPoint
Curve
CurvePolygon
CurveString
Envelope
Geometry
GeometryCollection
GeometryFactory
LinearSegment
LineString
MultiCurve
MultiCurvePolygon
MultiCurveString
MultiLineString
MultiPoint
MultiPolygon
MultiSurface
Point
Polygon
Segment
Surface
Classes 
CoordPointImpl
EnvelopeImpl
Exceptions 
InvalidGeometryException