weka.experiment
Interfaces 
Compute
RemoteExperimentListener
ResultListener
ResultProducer
SplitEvaluator
Task
Classes 
AveragingResultProducer
ClassifierSplitEvaluator
CostSensitiveClassifierSplitEvaluator
CrossValidationResultProducer
CSVResultListener
DatabaseResultListener
DatabaseResultProducer
DatabaseUtils
Experiment
InstanceQuery
InstancesResultListener
LearningRateResultProducer
OutputZipper
PairedStats
PairedTTester
PropertyNode
RandomSplitResultProducer
RegressionSplitEvaluator
RemoteEngine
RemoteEngine_Skel
RemoteEngine_Stub
RemoteExperiment
RemoteExperimentEvent
RemoteExperimentSubTask
Stats
TaskStatusInfo