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Swift vs Objective-C Differences

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Coding

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Question

Explain the main differences between Swift and Objective-C. Compare them in terms of syntax, type safety, runtime behavior, memory management, interoperability, and typical use cases in mobile development.

What to Cover

Syntax and readability
Compile-time safety and optionals
Dynamic runtime vs static optimization
ARC and ownership model
Interoperability in mixed codebases

Core Comparison

Dimension	Swift	Objective-C
Syntax	Modern and concise	Verbose and message-based
Safety	Strong type safety	More dynamic
Runtime	More compile-time checks	Rich dynamic runtime
Adoption	Preferred for new apps	Common in legacy code

Question

What to Cover

Syntax and readability
Compile-time safety and optionals
Dynamic runtime vs static optimization
ARC and ownership model
Interoperability in mixed codebases

Core Comparison

Dimension	Swift	Objective-C
Syntax	Modern and concise	Verbose and message-based
Safety	Strong type safety	More dynamic
Runtime	More compile-time checks	Rich dynamic runtime
Adoption	Preferred for new apps	Common in legacy code

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