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HashSet.java (clone): Made subclass safe, use super.clone(), not new.

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* java/util/HashSet.java (clone): Made subclass safe, use
	super.clone(), not new.

From-SVN: r39746
This commit is contained in:
Bryce McKinlay 2001-02-16 04:50:38 +00:00 committed by Bryce McKinlay
parent fd48c9b5d1
commit 3ade9bbaad
2 changed files with 13 additions and 3 deletions
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3
libjava/ChangeLog
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@ -6,6 +6,9 @@
* java/util/TreeMap.java (nil): Made non-final.
(clone): Create new nil node for copy.
* java/util/HashSet.java (clone): Made subclass safe, use
super.clone(), not new.
2001-02-14 Andrew Haley <aph@redhat.com>

13
libjava/java/util/HashSet.java
View File

@ -45,8 +45,8 @@ import java.io.ObjectOutputStream;
* HashSet is a part of the JDK1.2 Collections API.
*
* @author Jon Zeppieri
* @version $Revision: 1.2 $
* @modified $Id: HashSet.java,v 1.2 2001/02/14 04:44:21 bryce Exp $
* @version $Revision: 1.3 $
* @modified $Id: HashSet.java,v 1.3 2001/02/15 05:12:05 bryce Exp $
*/
public class HashSet extends AbstractSet
implements Set, Cloneable, Serializable
@ -128,7 +128,14 @@ public class HashSet extends AbstractSet
*/
public Object clone()
{
HashSet copy = new HashSet();
HashSet copy = null;
try
{
copy = (HashSet) super.clone();
}
catch (CloneNotSupportedException x)
{
}
copy.map = (HashMap) map.clone();
return copy;
}