What is init() in swift?
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Explain what is optional chaining?
What is polymorphism in swift?
What is cocoa swift?
Explain deinitializer in swift programming language?
what are functions different from methods?
The String struct doesn’t provide a count or length property or method to count the number of characters it contains. Instead a global countElements<T>() function is available. When applied to strings, what’s the complexity of the countElements function: O(1) O(n) and why?
Is ios written in swift?
What do you mean by a deinitializer?
What is a type in swift?
What is a guard statement? What is the benefit of using guard statement in swift?
What is operation queue in swift?
What is optional chaining?