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What is forced unwrapping?


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More Apple iOS Swift Interview Questions

Is equal to string swift?

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Is swift an object-oriented programming language?

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Should I use struct or class swift?

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What is the meaning of question mark "?" In swift?

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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?

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Why swift is safe?

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