What does the let keyword do in Swift?

easy📝 Conceptual Q11 of 15

Swift - Variables and Constants

What does the let keyword do in Swift?

ADefines a function

BCreates a variable that can be changed anytime

CCreates a constant value that cannot be changed

DDeclares a class

Step-by-Step Solution

Solution:

Step 1: Understand the purpose of let
The let keyword is used to declare constants in Swift, meaning the value assigned cannot be changed later.
Step 2: Compare with other keywords
Unlike var, which declares variables that can change, let ensures immutability.
Final Answer:
Creates a constant value that cannot be changed -> Option C
Quick Check:
let means constant = A [OK]

Quick Trick: Remember: let = fixed value, var = changeable value [OK]

Common Mistakes:

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