How can I rename a file on a server?

Well how can I rename a file on a server?
The file is allready been uploaded by the admin. And I would like to rename this file to, for example the old filename is "johnny.jpg" and by renaimng this file it should be: new filename "10.jpg".

Could anyone help me??

Many thanks!!!!!
jrbiemansAsked:
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kennethxuCommented:
import java.io.*;

File oldName = new File( "/path/to/yourfile/johnny.jpg" );
File newName = new File( "/path/to/newfile/10.jpg" );
oldName.renameTo( newName );

let me know if you have futher enquires.
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kennethxuCommented:
and welcome to expert-exchange :-)
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Mayank SAssociate Director - Product EngineeringCommented:
Make sure its not read-only.

Mayank.
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