Is it worth learning swift 2019?
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What language is swift most similar to?
Why swift is the best language?
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.
Do swift classes inherit from nsobject?
What are floating point numbers? How many types of floating number are there?
Is swift open source?
What type of objects are basic data types in swift?
Explain the difference between let and var in swift programming?
Explain some common features of protocols & superclasses.
What are swift categories?
What is lazy in swift?
What is forced unwrapping?