weka.classifiers
Interfaces 
Classifier
ConditionalDensityEstimator
IntervalEstimator
IterativeClassifier
Sourcable
UpdateableClassifier
Classes 
AbstractClassifier
BVDecompose
BVDecomposeSegCVSub
CheckClassifier
CheckSource
CostMatrix
EnsembleLibrary
EnsembleLibraryModel
EnsembleLibraryModelComparator
Evaluation
IteratedSingleClassifierEnhancer
MultipleClassifiersCombiner
ParallelIteratedSingleClassifierEnhancer
ParallelMultipleClassifiersCombiner
RandomizableClassifier
RandomizableIteratedSingleClassifierEnhancer
RandomizableMultipleClassifiersCombiner
RandomizableParallelIteratedSingleClassifierEnhancer
RandomizableParallelMultipleClassifiersCombiner
RandomizableSingleClassifierEnhancer
SingleClassifierEnhancer