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What type of data can you store directly in UserDefaults?

easy📝 Conceptual Q1 of 15
iOS Swift - Local Data Persistence
What type of data can you store directly in UserDefaults?
ASimple data types like String, Int, Bool, and Double
BOnly complex objects like custom classes
CImages and videos directly
DEntire databases
Step-by-Step Solution
Solution:

  1. Step 1: Understand UserDefaults data types

    UserDefaults is designed to store simple data types such as String, Int, Bool, Double, and Data.

  2. Step 2: Identify unsupported data types

    Complex objects, images, videos, or databases cannot be stored directly without conversion.

  3. Final Answer:

    Simple data types like String, Int, Bool, and Double -> Option A

  4. Quick Check:

    UserDefaults stores simple types [OK]
Quick Trick: UserDefaults stores simple values like strings and numbers [OK]
Common Mistakes:
  • Trying to store custom objects directly
  • Assuming UserDefaults can save images
  • Confusing UserDefaults with file storage

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