[Solved] Why does Swift require explicit type conversion when adding an Int and a Double? — Ans: Because Int and Double are different types and cannot be added directly | iOS Swift

iOS Swift - Swift Language Essentials

Why does Swift require explicit type conversion when adding an Int and a Double?

ABecause Double cannot store numbers

BBecause Swift does not support addition

CBecause Int is a string type

DBecause Int and Double are different types and cannot be added directly

Step-by-Step Solution

Solution:

Step 1: Understand type safety in Swift
Swift is strict about types; Int and Double are distinct types.
Step 2: Explain why conversion is needed
They cannot be added directly without converting one type to match the other.
Final Answer:
Because Int and Double are different types and cannot be added directly -> Option D
Quick Check:
Type safety requires explicit conversion [OK]

Quick Trick: Swift requires matching types for arithmetic operations [OK]

Common Mistakes:

Master "Swift Language Essentials" in iOS Swift

9 interactive learning modes - each teaches the same concept differently

More iOS Swift Quizzes

Why does Swift require explicit type conversion when adding an Int and a Double?