Package org.apache.commons.collections4.comparators

This package contains implementations of the Comparator interface.

See: Description

Class Summary

Class	Description
BooleanComparator	A Comparator for Boolean objects that can sort either true or false first.
ComparableComparator<E extends java.lang.Comparable<? super E>>	A Comparator that compares Comparable objects.
ComparatorChain<E>	A ComparatorChain is a Comparator that wraps one or more Comparators in sequence.
FixedOrderComparator<T>	A Comparator which imposes a specific order on a specific set of Objects.
NullComparator<E>	A Comparator that will compare nulls to be either lower or higher than other objects.
ReverseComparator<E>	Reverses the order of another comparator by reversing the arguments to its compare method.
TransformingComparator<I,O>	Decorates another Comparator with transformation behavior.

Enum Summary

Enum	Description
FixedOrderComparator.UnknownObjectBehavior	Unknown object behavior enum.

Package org.apache.commons.collections4.comparators Description

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.