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What is need of extension mechanism?

 
Maulin Vasavada
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Hi all,
I have read and understand how to use extension mechanism via which Java allows to use extension classes etc. I have used SUN Tutorial to understand that concept.
Here I can understand use of "lib/ext" based "installed extensions" but I can't convince myself about usefulness of "download extensions". Can anybody throw more light on this with examples or something?
Regards
Maulin
 
VIJAY Yadlapati
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They are extensions to the API - providing extra features that are additional to the API.
Ex:- JCE (Java Cryptography Extention) - it's an extension used for Cryptography - cyphering the content.
[ October 25, 2003: Message edited by: VIJAY Yadlapati ]
 
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