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Why does Swift require you to specify the type of a variable or constant?

easy📝 Conceptual Q1 of 15
Swift - Data Types
Why does Swift require you to specify the type of a variable or constant?
ATo make the code run slower
BTo allow variables to change type anytime
CTo catch errors early by knowing the exact data type
DTo avoid using any data types at all
Step-by-Step Solution
Solution:

  1. Step 1: Understand Swift's type system

    Swift uses strong typing to know exactly what kind of data each variable holds.

  2. Step 2: Reason about error detection

    Knowing the type helps Swift catch mistakes before running the program.

  3. Final Answer:

    To catch errors early by knowing the exact data type -> Option C

  4. Quick Check:

    Strong typing = Catch errors early [OK]
Quick Trick: Strong typing helps find mistakes before running code [OK]
Common Mistakes:
  • Thinking strong typing slows down code
  • Believing variables can change type freely
  • Ignoring the role of data types

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