Package org.apache.commons.collections.comparators
This package contains implementations of the
Comparator
interface.
You may also consider using
ComparatorUtils
,
which is a single class that uses static methods to construct instances
of the classes in this package.
-
Class Summary Class Description BooleanComparator AComparator
forBoolean
objects that can sort either true or false first.ComparableComparator AComparator
that comparesComparable
objects.ComparatorChain A ComparatorChain is a Comparator that wraps one or more Comparators in sequence.FixedOrderComparator A Comparator which imposes a specific order on a specific set of Objects.NullComparator A Comparator that will compare nulls to be either lower or higher than other objects.ReverseComparator Reverses the order of another comparator by reversing the arguments to itscompare
method.TransformingComparator Decorates another Comparator with transformation behavior.