How to connect with social websites from java application?
<p>when we use these api </p>

<ul>
<li>For Twitter: twitter4j</li>
<li>For Facebook: fb-java-api</li>
<li>For Linkedin: linkedin-j</li>
</ul>

<p>we will be redirected to particular site
(if i use linkedin-j, it will redirect to linkedin and so to all api) and get user information like user name and password 
to verify them to allow access. but my question is having username and password only once, we have to collect all the details from facebook,linkedin,twitter etc. </p>
