- AbstractHashable
- AbstractObjectCollection
- AbstractObjectList
- AlpaNumericStringComparator
- BlockVisitor
- BooleanContainer
- BreadthFirstSearchValueIterator
- BreadthFirstSearchValueIteratorFactory
- CanceledException
- ClassSwitches
- ClassVisitors
- ClosurVisitor
- CollectionAcceptorBuilder
- CollectionAcceptorBuilder.CollectionAcceptor
- ComparableComparator
- ComparableNumber
- ConversionException
- Counter
- CreationException
- DeepFirstSearchValueIterator
- DeepFirstSearchValueIteratorFactory
- EnumSwitch
- EnumSwitches
- EnumVisitors
- FailedStream
- FilteringInputStream
- FunctionResult
- FunctionSwitch
- FunctionVisitor
- HashableEntrySet
- HashableIdentifier
- HashableMap
- HashableSet
- HashMapBuilder
- HashSetBuilder
- IAcceptor
- IAggregator
- IApplicable
- IAssimilator
- IBiFunction
- IBlock
- IBooleanContainer
- IBooleanProvider
- IBooleanReceiver
- ICharFilter
- IClosableIterator
- ICloseable
- ICloseableConsumer
- IClosure
- IConsumer
- IConverter
- ICounter
- Identifier
- IdentifierSequence
- IEqualComperator
- IExecutable
- If
- IFactory
- IFilteringInputStreamValidator
- IFunction
- IHandler
- IHashable
- IIdentifier
- IIf
- IIntAssimilator
- IIntCounter
- IInterruptableClosure
- IInterruptableFunction
- IInterruptableProcedure
- IIsNullDecider
- IItem
- IItemVisitor
- IIterable
- IIterator
- ILazy
- IModifier
- IMutableObjectCollection
- IMutableObjectList
- InitializeException
- IntCounter
- IntegerDistanceCalculator
- IntValueQueue
- IObjectCollection
- IObjectCollectionReceiver
- IObjectContainer
- IObjectDistanceCalculator
- IObjectIterable
- IObjectIterator
- IObjectIteratorFactory
- IObjectList
- IObjectListProvider
- IObjectListReceiver
- IObjectProvider
- IObjectReceiver
- IObjectText
- IObjectToStringConverter
- IObjectVoter
- IOptional
- IProcedure
- IProvider
- IResolver
- IStrategy
- IStream
- ISupplier
- ItemToStringConverter
- IterableConvertingIterable
- IterableCountingIterable
- IterableFilteringIterable
- IterableFlattingIterable
- IteratorConvertingIterator
- IteratorCountingIterator
- IteratorFilteringIterator
- IteratorFlattingIterator
- ITree
- ITreeItem
- ITreeItemChooser
- ITreeWalker
- IVisitor
- IWatcher
- JavaUtilIterableFilteringIterable
- JavaUtilIteratorFilteringIterator
- Lazy
- LevenshteinStringDistanceCalculator
- MapEntry
- MarkableInputStream
- NoneClosingInputStream
- NumberComparator
- ObjectCollection
- ObjectContainer
- ObjectList
- ObjectListBuilder
- ObjectPair
- ObjectText
- ObjectUtilities
- Optional
- PatternFilter
- RandomIsNullDecider
- RandomObjectGenerator
- ResolvingException
- Result
- SingleUseObjectReceiver
- SortedItemIterator
- SortedKeyIterator
- SortedKeyIteratorFactory
- SortedValueIterator
- SortedValueIteratorFactory
- SortItemIterator
- Streams
- Streams.Builder
- Streams.From
- ToStringComparator
- Tree
- TreeItemChooser
- TreeIterable
- TreeToStringConverter
- TreeWalker
- UnreachableCodeReachedException