Please Help getInstance() Not working

[Moaied Ezbbad]

please help  

say methode not found for ( getInstance() )

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import facebook4j.*;

public class Fb {

    /**

     * @param args the command line arguments

     */

    public static void main(String[] args) throws Exception

    {

        String name="Moaied";

        String pass="123456";

        

        Facebook facebook = new FacebookFactory().getInstance(name,pass); 

    }

    

}