com.vividsolutions.jts.algorithm
Interfaces 
BoundaryNodeRule
PointInAreaLocator
PointInRing
Classes 
Angle
BoundaryNodeRule.EndPointBoundaryNodeRule
BoundaryNodeRule.Mod2BoundaryNodeRule
BoundaryNodeRule.MonoValentEndPointBoundaryNodeRule
BoundaryNodeRule.MultiValentEndPointBoundaryNodeRule
CentralEndpointIntersector
CentroidArea
CentroidLine
CentroidPoint
CGAlgorithms
ConvexHull
HCoordinate
IndexedPointInAreaLocator
InteriorPointArea
InteriorPointLine
InteriorPointPoint
LineIntersector
MCPointInRing
MinimumDiameter
NonRobustCGAlgorithms
NonRobustLineIntersector
PointLocator
RayCrossingCounter
RobustCGAlgorithms
RobustDeterminant
RobustLineIntersector
SimplePointInAreaLocator
SimplePointInRing
Exceptions 
NotRepresentableException