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Felix,

Felix Schumacher wrote:
> Am Montag, den 21.05.2007, 13:54 +0800 schrieb Peter:
>> hi all,
>>
>> I have come into a very wired problem.
>>
>> here it is.
>> my project using JBuilder 2006 and tomcat 5.5.20.
>> when i put a 0 into a list and get 1 as a result.
>> simple code for testing!
>>
>> List alist =new ArrayList();
>> alist.add(0);  put 0 into it
>> alist.get(0);   get 1 as result.
> Have you tried to put an Object into ArrayList? 
> Like
> alist.add(Integer.valueOf(0));
> System.out.println((Integer)alist.get(0));
> 
> I don't think it is possible to store an int into an ArrayList.

Generics + autoboxing ought to allow you to put ints into an ArrayList
(at least syntactically, though it's really just syntactic sugar).

- -chris

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