RFR 8068887 : java.lang.Throwable could use Collections.emptyList for suppressedException
peter.levart at gmail.com
Mon Oct 12 16:22:49 UTC 2015
On 10/12/2015 05:56 PM, Alan Bateman wrote:
> On 12/10/2015 16:09, Vyom Tewari wrote:
>> Hi All,
>> Please review my changes for below bug.
>> Bug: JDK-8068887 : java.lang.Throwable could use
>> Collections.emptyList for suppressedException
>> Webrev: http://cr.openjdk.java.net/~vtewari/8068887/webrev.00/webrev/
>> This change ensure that fewer classes are loaded in a simple(hello
>> world) program, and thus a very very small start-up footprint
> This looks okay (just missing the a space in =Collections) but I'm
> curious if it does actual reduce the number of classes loaded at
> startup. I would think ArrayList and unmodifiable list would be popular.
> (Your patch makes me wonder if Collections.unmodifiableXXX should
> return emptyXXX when the collection is empty).
Can not. unmodifiableXXX is defined to be a view over possibly
modifiable collection. If underlying collection changes, the view changes.
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