newInstance() fragment instantiation #2

MyFragment.java

public class MyFragment {
 
    /**
     * Make the default constructor private to prevent direct 
     * instantiation. Now all instances of this class must be 
     * instantiated with a call to newInstance().
     */
    private MyFragment() { }

    /**
     * Static factory method that takes an int parameter,
     * initializes the fragment's arguments, and returns the
     * new fragment to the client.
     */
    public static MyFragment newInstance(int index) {
        MyFragment f = new MyFragment();
        Bundle args = new Bundle();
        args.putInt("index", index);
        f.setArguments(args);
        return f;
    }
}