Package java.util.function.*
BiConsumer, BiFunction, BiPredicate, BinaryOperator, BooleanSupplier, Consumer, DoubleBinaryOperator, DoubleConsumer, DoubleFunction, DoublePredicate, DoubleSupplier, DoubleToIntFunction, DoubleToLongFunction, DoubleUnaryOperator, Function, IntBinaryOperator, IntConsumer, IntFunction, IntPredicate, IntSupplier, IntToDoubleFunction, IntToLongFunction, IntUnaryOperator, LongBinaryOperator, LongConsumer, LongFunction, LongPredicate, LongSupplier, LongToDoubleFunction, LongToIntFunction, LongUnaryOperator, ObjDoubleConsumer, ObjIntConsumer, ObjLongConsumer, Predicate, Supplier, ToDoubleBiFunction, ToDoubleFunction, ToIntBiFunction, ToIntFunction, ToLongBiFunction, ToLongFunction, UnaryOperator