identify the file extension using java

[admin]

i have different format files in DB. i want to copy to my local machine.

how can i identify the file format (doc, xls, etc...)

Regards,
krishna

Thanks, for providing suggestions... based on your suggestions i had written the code & i am completed...

please look into my blog.. i posted the code over here...

<a href="http://muralie39.wordpress.com/java-program-to-copy-files-from-oracle-to-localhost/" rel="nofollow">http://muralie39.wordpress.com/java-program-to-copy-files-from-oracle-to-localhost/</a>

Thank you guys..

Thanks,
krishna