Swift - Basics and Runtime
Which of the following is the correct syntax to declare a variable in Swift Playgrounds?
Which of the following is the correct syntax to declare a variable in Swift Playgrounds?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall Swift variable declaration syntax
Swift uses 'var' to declare variables and 'let' for constants, followed by the variable name and value.Step 2: Check each option for correct syntax
Only 'var name = "Alice"' matches Swift syntax; others use invalid keywords.Final Answer:
var name = "Alice" -> Option BQuick Check:
Variable declaration syntax = var name = value [OK]
Quick Trick: Use 'var' for variables and 'let' for constants [OK]
Common Mistakes:
- Using 'variable' instead of 'var'
- Combining 'let' and 'var'
- Using 'declare' keyword
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