Connecting with Unix user/password using JDBC

1) Is it possible to connect on a java program, with JDBC, using the Unix autentification ?
With the JDBC thin client I use :
DriverManager.getConnection("jdbc:oracle:thin:@<ip addresse>:<listener entry port>:<SID>","<user>","<password>");
2) What Java syntaxe may I use, not to give the <user>/<password> in my java program ?
I want to lauch my java program from a shell script (UNIX). The Unix's user is know in my Oracle database.
3) Is it a secure way ?
Thank's

For what it's worth, I have not yet found a way to do this, either. But since it's not critical for me, I have given up on it, for now. I have not found anything on OTN nor in the Oracle documentation that explains how to do this. Sorry :-(
Good Luck,
Avi.

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Hi,
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Expired Status
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Suri wrote:
Hi,
Just now John explained about VALUES clause in below thread.
Expired Status
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Please see the version details below. And the SQL statements which I have tried.
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