[Solved] What is the cause of the compilation error in this Swift code? let number: Int = "123" — Ans: Type mismatch: cannot assign String to Int | Swift

Swift - Basics and Runtime

What is the cause of the compilation error in this Swift code?

let number: Int = "123"

AVariable name 'number' is reserved

BMissing semicolon at end of line

CType mismatch: cannot assign String to Int

DInt type requires initialization with zero

Step-by-Step Solution

Solution:

Step 1: Analyze type assignment
Variable declared as Int cannot be assigned a String value directly.
Step 2: Confirm type safety in Swift
Swift enforces strict type checking, causing error here.
Final Answer:
Type mismatch: cannot assign String to Int -> Option C
Quick Check:
Type mismatch error = A [OK]

Quick Trick: Types must match exactly in Swift assignments [OK]

Common Mistakes:

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