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TreeSet.java (clone): Call TreeMap.clone(), not Object.clone().

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* java/util/TreeSet.java (clone): Call TreeMap.clone(), not
	Object.clone().
	* java/util/Collections.java (ReverseComparator): New static class.
	(reverseOrder): Return static instance of ReverseComparator.

From-SVN: r39705
This commit is contained in:
Bryce McKinlay 2001-02-15 03:59:57 +00:00 • committed by Bryce McKinlay
parent 78e3e6aca3
commit 505ce70d3f
3 changed files with 21 additions and 19 deletions
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20
libjava/java/util/Collections.java
View file

@ -447,7 +447,6 @@ public class Collections
// Create a minimal implementation of List
return new AbstractList()
{
public int size()
{
return n;
@ -487,22 +486,25 @@ public class Collections
}
}
static class ReverseComparator implements Comparator, Serializable
{
public int compare(Object a, Object b)
{
return -((Comparable) a).compareTo(b);
}
}
static ReverseComparator rcInstance = new ReverseComparator();
/**
* Get a comparator that implements the reverse of natural ordering. This is
* intended to make it easy to sort into reverse order, by simply passing
* Collections.reverseOrder() to the sort method. The return value of this
* method is Serializable.
*/
// The return value isn't Serializable, because the spec is broken.
public static Comparator reverseOrder()
{
return new Comparator()
{
public int compare(Object a, Object b)
{
return -((Comparable) a).compareTo(b);
}
};
return rcInstance;
}
/**