[Solved] Which of the following is the correct syntax to declare a protocol named Drivable in Swift? — Ans: protocol Drivable { func drive() } | iOS Swift

iOS Swift - Swift Language Essentials

Which of the following is the correct syntax to declare a protocol named Drivable in Swift?

Astruct Drivable { func drive() }

Bclass Drivable { func drive() }

Cfunc protocol Drivable() { drive() }

Dprotocol Drivable { func drive() }

Step-by-Step Solution

Solution:

Step 1: Identify correct protocol declaration syntax
Protocols are declared with the keyword protocol followed by the name and curly braces.
Step 2: Check method declaration inside protocol
Methods inside protocols are declared without implementation, just the signature.
Final Answer:
protocol Drivable { func drive() } -> Option D
Quick Check:
Protocol syntax = keyword 'protocol' + name + method signatures [OK]

Quick Trick: Use 'protocol' keyword, not class or struct [OK]

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Which of the following is the correct syntax to declare a protocol named Drivable in Swift?