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Swift MCQs

How will ARC handle "Country" instance and "country2" reference when "country1" is set to "nil"?

class Country{ let name: String init(name: String){ self.name = name } } var country1: Country? var country2: Country? country1 = Country(name: "Bangladesh") country2 = country1

ARC will deallocate the Country instance but country2 will hold name it’s "Bangladesh"

ARC will not deallocate the Country instance but country2 will become "nil"

ARC will not deallocate the Country instance and country2 will hold it’s name "Bangladesh"

ARC will deallocate the Country instance and country2 will become "nil"

Answer

Correct Answer: ARC will not deallocate the Country instance and country2 will hold it’s name "Bangladesh"

Explanation:

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