Are you using a standard Swing JFileChooser?
And what exactly do you want to do, you just want the text "Select" instead of "Open" on the Open button?
Look at this:
How to Use File Choosers - scroll down a bit, there's a description of how to customize JFileChooser, including how to change the text on the Open button.
*edit*: I've just had a look at the API documentation, it's actually very simple - the JFileChooser class has a showDialog(...) method with two parameters: the parent component and the text that should be displayed on the button. See the API documentation.
[ July 12, 2006: Message edited by: Jesper Young ]