Forcing a JTextPane to scroll down

Hello I have a JTextPane inside a JScrollpane
how can I force the JTextPane to scroll down when text is added to it?

Why is it so hard to do a search before posting a question??????
I took 3 words from you topic, "+jtextpane +scroll +down" and did a search and found that this question has been asked and answered dozens of times.

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    Hi Winnie
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    Date: Mon, 27 Feb 2012 09:33:10 -0700
    From: [email protected]
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         Replies to this message go to everyone subscribed to this thread, not directly to the person who posted the message. To post a reply, either reply to this email or visit the message page: http://forums.adobe.com/message/4232307#4232307
         To unsubscribe from this thread, please visit the message page at http://forums.adobe.com/message/4232307#4232307. In the Actions box on the right, click the Stop Email Notifications link.
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