Correct Answer: All of the above
Explanation:
Note: This Question is unanswered, help us to find answer for this one
Swift Skill Assessment
Your Skill Level: Poor
Retake Quizzes to improve it
More Swift MCQ Questions
'NSOperationQueue.mainQueue().addOperationWithBlock' will add the operation to
unowned reference types are declared as __
Weak references are declared as _____ types
What is the typical byte width of Float data type in Swift?
Deallocation never happens due to ___
Let’s assume "numbers" is an array of unsorted integers. Which of these could be used to sort numbers?
Choose the answer that declares an optional closure.
How can we use optional binding to determine if the variable string is not nil?
What set of keywords is most commonly used to iterate over a collections of items?
How could we cast the following array into an NSArray that accesses the NSArray method: