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https://issues.apache.org/jira/browse/COLLECTIONS-276?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephen Kestle resolved COLLECTIONS-276.
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Resolution: Won't Fix
Ok - sounds good. I'm just having a little difficulty migrating from an
"everything final / functional" style to "open / api".
Next time I'll raise my "thoughts out loud" on the mailing list first :). My
apologies.
> *Utils classes should not be extensible or able to be instantiated.
> -------------------------------------------------------------------
>
> Key: COLLECTIONS-276
> URL: https://issues.apache.org/jira/browse/COLLECTIONS-276
> Project: Commons Collections
> Issue Type: Improvement
> Affects Versions: Generics
> Reporter: Stephen Kestle
> Priority: Minor
> Fix For: Generics
>
>
> I don't see any good reason why this CollectionUtils (and others) isn't final
> with a private constructor. There are no non-static methods, and any
> extension of them is going to have to call through to the super to avoid
> compiler warnings.
> e.g. MyCollectionUtils.select() will provoke the warning that "static methods
> should be called directly" (on CollectionUtils).
> Which would mean
> MyCollectionUtils{
> public static Collection select(){
> return CollectionUtils.select();
> }
> Which really defeats the purpose. In Java5, we have static imports now -
> these provide more benefit than previous extension did anyhow.
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