org.geotools.feature
Interfaces 
AttributeType
CollectionListener
Feature
FeatureAttributeType
FeatureCollection
FeatureCollectionIteration.Handler
FeatureDocument
FeatureFactory
FeatureIndex
FeatureIterator
FeatureList
FeatureType
GeometryAttributeType
IndexedFeatureCollection
PrimativeAttributeType
SimpleFeature
Classes 
AbstractFeatureCollection
AttributeTypeFactory
AttributeTypes
CollectionEvent
DefaultAttributeType
DefaultAttributeTypeFactory
DefaultFeature
DefaultFeatureCollection
DefaultFeatureCollections
DefaultFeatureType
DefaultFeatureTypeFactory
Feature.NULL
FeatureCollectionIteration
FeatureCollections
FeatureComparators
FeatureComparators.Index
FeatureComparators.Name
FeatureReaderIterator
FeatureTypeBuilder
FeatureTypeFactory
FeatureTypes
MultiAttributeType
Schema
SimpleFeatureType
Exceptions 
IllegalAttributeException
SchemaException