What is base class in swift?

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What is better swift or objective c?

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Are arrays structs in swift?

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What are the tools that are required to develop ios applications?

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What is init() in swift?

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How to convert nsarray to nsmutablearray in swift?

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struct Planet { var name: String var distanceFromSun: Double } let planets = [ Planet(name: "Mercury", distanceFromSun: 0.387), Planet(name: "Venus", distanceFromSun: 0.722), Planet(name: "Earth", distanceFromSun: 1.0), Planet(name: "Mars", distanceFromSun: 1.52), Planet(name: "Jupiter", distanceFromSun: 5.20), Planet(name: "Saturn", distanceFromSun: 9.58), Planet(name: "Uranus", distanceFromSun: 19.2), Planet(name: "Neptune", distanceFromSun: 30.1) ] let result1 = planets.map { $0.name } let result2 = planets.reduce(0) { $0 + $1.distanceFromSun } What are the types and values of the result1 and result2 variables? Explain why.

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List some control transfer statements used in swift?

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How to call objective-c code from swift?

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Can you explain completion handler?

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Is swift a good language to learn?

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Is swift compiled or interpreted?

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