Re: Unique list

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#466

From: Alexey N. Solofnenko
Date: Fri, 15 Apr 2005 15:54

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... or LinkedHashSet, if order is important.

- Alexey.

Lori M Olson [TeamB] wrote:
> Petar Popara wrote:
> 
>>     I need a class (something like ArrayList), where I would add 
>> objects and it would not accept same object twice (it would only keep 
>> one reference of each object). Does something like this exists?
>>
>> Example:
>>
>> ArrayList a = new ArrayList();
>> Integer i = new Integer(777);
>> a.add(i);
>> a.add(i); //ignore it
>> a.add(i); //ignore it
>> ...
>>
> 
> Then you don't need a "list".  You need a "set".
> 
> http://java.sun.com/j2se/1.4.2/docs/api/java/util/Set.html
>

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