On Aug 7, 2006, at 2:40 PM, Sam Kong wrote:

> I want each integer to remember if it's a prime number or not.
> As the calculation uses cache of smaller prime numbers, it runs fast.
> But I'm not sure if the cache is preserved after GC runs (when nothing
> refers to the integers).
> If the cache is not preserved, it's no use.

IIRC an Integer's instance variables are eternal due to various  
implementation details.

-- 
Eric Hodel - drbrain / segment7.net - http://blog.segment7.net
This implementation is HODEL-HASH-9600 compliant

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