From Adam Welc <welc@cs.purdue.edu>:

* java/util/LinkedList.java (removeFirst): Update `first' field.
	Handle the last == first case.
	(removeLast): Update `last' field. Handle the last == first case.

From-SVN: r37940
This commit is contained in:
Bryce McKinlay 2000-12-02 01:48:07 +00:00 committed by Bryce McKinlay
parent dc957d1435
commit aaa4cecd22
2 changed files with 16 additions and 1 deletions

View file

@ -183,6 +183,11 @@ public class LinkedList extends AbstractSequentialList
if (first.next != null)
first.next.previous = null;
else
last = null;
first = first.next;
return r;
}
@ -195,7 +200,12 @@ public class LinkedList extends AbstractSequentialList
Object r = last.data;
if (last.previous != null)
last.previous.next = null;
last.previous.next = null;
else
first = null;
last = last.previous;
return r;
}