org.geotools.cs
Classes 
Adapters
AxisInfo
AxisOrientation
CompoundCoordinateSystem
CoordinateSystem
CoordinateSystemAuthorityFactory
CoordinateSystemFactory
Datum
DatumType
DatumType.Horizontal
DatumType.Local
DatumType.Temporal
DatumType.Vertical
Ellipsoid
FittedCoordinateSystem
GeocentricCoordinateSystem
GeographicCoordinateSystem
HorizontalCoordinateSystem
HorizontalDatum
Info
LocalCoordinateSystem
LocalDatum
PrimeMeridian
ProjectedCoordinateSystem
Projection
TemporalCoordinateSystem
TemporalDatum
VerticalCoordinateSystem
VerticalDatum
WGS84ConversionInfo
Exceptions 
NoSuchAuthorityCodeException