Which of these is the correct processing necessary for data update notification at the time of creating an individual ContentProvider and using it?

Which of these is the correct processing necessary for data update notification at the time of
creating an individual ContentProvider and using it?

A.
In the update method of the ContentProvider class, notify by calling the
ContentResolver.setNotificationUri method.

B.
In the update method of ContentProvider class, notify by calling the Cursor.notifyChange
method.

C.
In the update method of ContentProvider class, notify by calling the
ContentResolver.notifyChange method.

D.
In the update method of the ContentProvider class, notify by calling the
Cursor.setNotificationUri method.

Explanation:

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