Getting Out of memory error while using HashMap

Hi,
I'm using HashMap to have string as key, some object as value.
oHm.put(sKey, oMyVal); //oHM - HashMap
The actual number of entries i need to put is 200K....
Buy my program is not crossing even for 100K....
Its giving OutOfMemory error...... ( 1 GB memory, Win XP )
Any pointers to resolve this?
Thanks in Advance...
Ashok

Do we have any alternate other than increasing the memory for JVM?Did you read what I said on 8/04/2008 22:20 (reply 1 of 5)?
It's still the best looking option, especially if this large number is going to grow.

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Could you please let me know if you get rid off this issue as we are also facing the same issue.
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