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Why is the ternary conditional operator preferred over if-else in some Swift expressions?

hard📝 Conceptual Q10 of 15
Swift - Operators and Expressions
Why is the ternary conditional operator preferred over if-else in some Swift expressions?
AIt can replace loops for iteration.
BIt allows concise inline conditional value assignment.
CIt automatically unwraps optionals.
DIt defines new variables without initialization.
Step-by-Step Solution
Solution:
  1. Step 1: Understand ternary operator purpose

    The ternary operator is used for concise inline conditional expressions, making code shorter and clearer for simple choices.
  2. Step 2: Compare with other options

    The other options describe unrelated features: loops, optional unwrapping, and variable declaration, which ternary does not do.
  3. Final Answer:

    It allows concise inline conditional value assignment. -> Option B
  4. Quick Check:

    Ternary = concise inline condition [OK]
Quick Trick: Ternary is for short inline if-else expressions [OK]
Common Mistakes:
  • Thinking ternary replaces loops
  • Confusing with optional unwrapping
  • Believing it declares variables

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