Hi...how can i add driver files for oracle jdbc connection

By modifying your classpath.

See the documentation for the IDE you are using and these documents for command line and jarfile use:
http://download.oracle.com/javase/6/docs/technotes/tools/solaris/java.html
http://download.oracle.com/javase/tutorial/essential/environment/paths.html
http://download.oracle.com/javase/tutorial/deployment/jar/downman.html

Edit: And that's as much as I am going to say about it. If you can't figure it out from these items than get a tutor to teach you about classpaths and how to use them as it always leads to frustation on both sides when attempted on a forum.

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