Re: Unique list

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#465

From: Lori M Olson [TeamB]
Date: Fri, 15 Apr 2005 13:28

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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

-- 

Regards,

Lori Olson [TeamB]

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