Welcome to the forum
I think the following links should give you enough information about how to use the Dialogs.
http://www.java2s.com/Code/VB/GUI/Di...er-Browser.htm
http://www.java2s.com/Code/VB/GUI/Di...-Save-Open.htm (I would skip 1 on this as it may confuse things)

Hope this helps

Satal