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index 5e0c3967c..b4190724c 100644
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@@ -1,7 +1,12 @@
+
RELEASE NOTES: COLLECTIONS 2.0
+
RELEASE NOTES: COLLECTIONS 2.0
-NEW COLLECTIONS
+NEW COLLECTIONS AND COMPARATORS
+
+Collections 2.0 includes a significant number of new collections, in addition to several
+useful Comparator classes.
These collections are new to Collections 2.0:
@@ -41,6 +46,26 @@
members.
+These are the new Comparator classes:
+
+
+- ComparableComparator - A Comparator that compares Comparable objects.
+ This Comparator is useful, for example,
+ for enforcing the natural order in custom implementations
+ of SortedSet and SortedMap.
+- ComparatorChain - ComparatorChain is a Comparator that wraps one or
+ more Comparators in sequence. The ComparatorChain
+ calls each Comparator in sequence until either 1)
+ any single Comparator returns a non-zero result
+ (and that result is then returned),
+ or 2) the ComparatorChain is exhausted (and zero is
+ returned). This type of sorting is very similar
+ to multi-column sorting in SQL, and this class
+ allows Java classes to emulate that kind of behaviour
+ when sorting a List.
+- ReverseComparator - Reverses the order of another comparator.
+
+
CHANGED COLLECTIONS