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What is the primary purpose of the Codable protocol in Swift?

easy📝 Conceptual Q1 of 15
iOS Swift - Networking
What is the primary purpose of the Codable protocol in Swift?
ATo manage memory allocation for objects
BTo create user interfaces automatically
CTo enable easy encoding and decoding of data types to and from formats like JSON
DTo handle network requests and responses
Step-by-Step Solution
Solution:
  1. Step 1: Understand the role of Codable

    The Codable protocol combines Encodable and Decodable to allow easy conversion between Swift types and external data formats like JSON.
  2. Step 2: Compare with other options

    Options B, C, and D relate to UI, memory, and networking, which Codable does not handle.
  3. Final Answer:

    To enable easy encoding and decoding of data types to and from formats like JSON -> Option C
  4. Quick Check:

    Codable purpose = Encoding/Decoding [OK]
Quick Trick: Codable means convert to/from data formats easily [OK]
Common Mistakes:
  • Confusing Codable with UI or networking tasks
  • Thinking Codable manages memory
  • Assuming Codable creates interfaces

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