What will be printed by this Swift code?

medium📝 Predict Output Q4 of 15

Swift - Variables and Constants

var value = 3
value = 9
print(value)

DError

Step-by-Step Solution

Solution:

Step 1: Initial assignment
value is initially set to 3.
Step 2: Reassignment
value is then changed to 9, which is valid since var allows mutation.
Step 3: Print statement
The print outputs the current value of value, which is 9.
Final Answer:
9 -> Option A
Quick Check:
Mutable variables reflect last assigned value [OK]

Quick Trick: var allows reassignment, so print last value [OK]

Common Mistakes:

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