how to move from one fragment to another fragment on button click

Question

I am using the SherlockFragments library for the sliding menu.I have list of items as menu when I click on item fragment get opened as an activity but it is a fragment.Now

Answer 1

FragmentManager fragmentManager = getFragmentManager();
                fragmentManager
                        .beginTransaction()
                        .replace(R.id.frame_container,
                                new TeacherFragment()).commit();