What's the difference between getDefaultSharedPreferences() and getPreferences()?

Question

I\'m currently taking the \"Developing Android Apps\" Udacity course. In the \"Lesson 3: New Activities and Intents > Use SharedPreferences\" segment, the instructor asked

Answer 1

One of the major differences: getPreferences () returns a file only related to the activity it is opened from. While getDefaultSharedPreferences () returns the application's global preferences. Learned that the hard way yesterday.