org.geotools.geometry.iso.util.algorithm2D
Classes 
AlgoArea
AlgoLine2D
AlgoPoint2D
AlgoRectangle2D
CentroidArea2D
CGAlgorithms
ConvexHull
HCoordinate
LineIntersector
LineLineIntersection2D
PointLocator
RobustDeterminant
RobustLineIntersector
SimplePointInAreaLocator
Exceptions 
NotRepresentableException