Question: What is the main difference between shared preference and java map? How to determine the path to the external SD card? Write an example. Why

  1. What is the main difference between shared preference and java map?
  2. How to determine the path to the external SD card? Write an example.
  3. Why we used .getResources() method and How?
  4. Explain atomicity in action queries.
  5. What are Retrieval queries?
  6. Why we use GROUP By in Select Statement? Explain with example.

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