Swift - Data Types
What is the type of the value stored in the variable
char in the following Swift code?let char = "Z"
What is the type of the value stored in the variable char in the following Swift code?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Analyze the declaration without explicit type
The variablecharis assigned a string literal with double quotes, which defaults to typeStringin Swift.Step 2: Understand difference between
Single characters can be stored asCharacterandStringCharactertype using single quotes or explicit type annotation, but here no annotation is given, so it is aString.Final Answer:
The variablecharis of type String. -> Option CQuick Check:
Unannotated single quotes = String [OK]
Quick Trick: Double quotes create String, not Character, unless typed [OK]
Common Mistakes:
- Assuming single character literals are Character by default
- Confusing single quotes with double quotes in Swift
- Not knowing Swift requires explicit Character type
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