How to use java as a backend?

I need some details regarding how java can be used as backend. Detailed explanation would be greatly appreciated :)

As a backend for what and what should your Java backend do?

kind regards,

Jos

By backend i mean storing the data just like database. I heard twitter is using java as backend.
Sory if i m not providing enough explanation but thats what i know :s:

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Originally Posted by gpraveen

By backend i mean storing the data just like database. I heard twitter is using java as backend.
Sory if i m not providing enough explanation but thats what i know :s:

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Yep, a lot of database vendors include a JDBC implementation (that can be used by Java) so Java can be used as a backend that controls a database.

kind regards,

Jos

How to use java as a backend?

Double posting bastage.