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  1. POHow to get permanent Facebook access token using java
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    <p>If you using Facebook graph API, you can see all public information of someone if that person set those information public, only few things you need to do: open a browser, log-in to Facebook and know that person user ID#, for example, Mark Zuckerberg - facebook founder have user ID# 4, so go to: <a href="https://graph.facebook.com/4" rel="nofollow">https://graph.facebook.com/4</a> => you can see basic info such as name, age, location .... (imagine that you change i in _<strong>https://graph.facebook.com/i</strong> with i from 1 to 1 million, you may see info of million user as long as they set their info in public) </p> <p>or go to this link you can see more information such as person favorites and education ... _https://graph.facebook.com/4?access_token=<strong>XXX</strong> with <strong>XXX</strong> is a unique code, it changes every time you log-in to Facebook ( see more in <a href="http://developers.facebook.com/docs/reference/api/" rel="nofollow">http://developers.facebook.com/docs/reference/api/</a>)</p> <p>My goal is using basic java url to go to these link and get all info (basically they are text) and save them to a text file, with _https://graph.facebook.com/4 there is no problem but with second link problem is the access token code which is XXX - changes every time or will be expired after 20~30 minutes so I can't run my program longer to get more data. question is is there anyway to get a permanent access token or extend it for longer time, remember I only using a small java program, nothing to do with Facebook app or anything else. Thanks in advanced!</p>
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