RFR: 8005051: optimized defaults for Iterator.forEachRemaining

Alan Bateman Alan.Bateman at oracle.com
Mon Apr 22 18:42:12 UTC 2013

On 20/04/2013 00:59, Akhil Arora wrote:
> Please review the addition of optimized defaults for Iterator's 
> forEachRemaining to ArrayList, LinkedList, Vector and 
> CopyOnWriteArrayList. The unit test has a performance comparison test 
> (disabled by default) that measures the difference between this method 
> and hasNext()/next(). Significant improvements were measured by 
> overriding the default forEachRemaining by these classes (others, not 
> so much).
> http://cr.openjdk.java.net/~akhil/8005051.1/webrev/
> Thanks
One thing I meant to ask when forEachRemaining was added was whether it 
should say anything about the "last element"? I see in the webrev that 
you've set it for the ArrayList iterators but not the LinkedList 
iterator - should it?


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