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From: Eric Sosman <esosman@comcast-dot-net.invalid>
Newsgroups: comp.lang.java.programmer
Subject: Re: array of HashSet<>
Date: Sun, 28 Feb 2016 08:56:10 -0500
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On 2/28/2016 8:38 AM, Arne Vajhøj wrote:
> On 2/28/2016 2:44 AM, Roedy Green wrote:
>> I am not trying to arrange the HashSet fields in order in an array. I
>> am just trying to do something like this:
>>
>>           private final HashSet<Long>[] hashSets;
>
>>          hashSets = new HashSet[ filesToProcess.length ];
>
>> I get this error message:
>>
>> Warning:(104, 20) java: unchecked conversion
>>    required: java.util.HashSet<java.lang.Long>[]
>>    found:    java.util.HashSet[]
>
> hashSets = new HashSet<Long>[ filesToProcess.length ]
>
> should fix that.

     ... for suitable values of "fix."

     JLS 15.10.1, Array Creation Expressions: "It is a compile-time
error if the ClassOrInterfaceType does not denote a reifiable type."

-- 
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