weka.classifiers
Interfaces 
IntervalEstimator
IterativeClassifier
Sourcable
UpdateableClassifier
Classes 
BVDecompose
BVDecomposeSegCVSub
CheckClassifier
CheckSource
Classifier
CostMatrix
EnsembleLibrary
EnsembleLibraryModel
EnsembleLibraryModelComparator
Evaluation
IteratedSingleClassifierEnhancer
JythonClassifier
MultipleClassifiersCombiner
RandomizableClassifier
RandomizableIteratedSingleClassifierEnhancer
RandomizableMultipleClassifiersCombiner
RandomizableSingleClassifierEnhancer
SingleClassifierEnhancer