public class ReverseComparator
extends java.lang.Object
implements java.util.Comparator, java.io.Serializable
compare
method.Collections.reverseOrder()
,
Serialized FormConstructor and Description |
---|
ReverseComparator()
Creates a comparator that compares objects based on the inverse of their
natural ordering.
|
ReverseComparator(java.util.Comparator comparator)
Creates a comparator that inverts the comparison
of the given comparator.
|
Modifier and Type | Method and Description |
---|---|
int |
compare(java.lang.Object obj1,
java.lang.Object obj2)
Compares two objects in reverse order.
|
boolean |
equals(java.lang.Object object)
Returns
true iff that Object is
is a Comparator whose ordering is known to be
equivalent to mine. |
int |
hashCode()
Implement a hash code for this comparator that is consistent with
equals . |
public ReverseComparator()
Collections.reverseOrder()
public ReverseComparator(java.util.Comparator comparator)
null
,
the ReverseComparator defaults to reversing the
natural order, as per
Collections.reverseOrder()
.comparator
- Comparator to reversepublic int compare(java.lang.Object obj1, java.lang.Object obj2)
compare
in interface java.util.Comparator
obj1
- the first object to compareobj2
- the second object to comparepublic int hashCode()
equals
.hashCode
in class java.lang.Object
public boolean equals(java.lang.Object object)
true
iff that Object is
is a Comparator
whose ordering is known to be
equivalent to mine.
This implementation returns true
iff object.
equals getClass()
this.getClass()
, and the underlying
comparators are equal.
Subclasses may want to override this behavior to remain consistent
with the equals
contract.
equals
in interface java.util.Comparator
equals
in class java.lang.Object
object
- the object to compare toCopyright © 2010 - 2020 Adobe. All Rights Reserved