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https://issues.apache.org/jira/browse/AVRO-637?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12903504#action_12903504
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Thiruvalluvan M. G. commented on AVRO-637:
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The interface java.util.Collection does not preserve the order, but we need to 
preserve the order for Avro array. So I feel a more appropriate type for 
GenericArray should be java.util.List.

> GenericArray should implement Collection
> ----------------------------------------
>
>                 Key: AVRO-637
>                 URL: https://issues.apache.org/jira/browse/AVRO-637
>             Project: Avro
>          Issue Type: New Feature
>          Components: java
>            Reporter: Doug Cutting
>            Assignee: Doug Cutting
>
> It would be nice if Avro arrays were better integrated with Java collections. 
>  The GenericArray interface permits array element reuse, which is awkward 
> with java.util.Collection.  But if GenericArray implemented Collection and 
> the Avro runtime permitted arbitrary Collection implementations to be passed 
> for Arrays then it would simplify many applications.  The runtime could still 
> reuse elements if an array implemented GenericArray, so performance would not 
> suffer for applications that, e.g., loop over a data file, reusing instances.

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