What does the question mark (?) indicate A particular property is

Swift - Quiz(MCQ)

Optional

Missing

Changed

Necessary

Correct Answer : Optional

Recently Updated in Swift Questions

What are the characteristics of Switch in Swift?

It supports any kind of data, and not only synchronize but also checks for equality

Switch statement must be exhaustive, which means that you have to cover all possible values for your variable

When a case is matched in switch, the program exits from the switch case and does not continue checking the next cases. So you donâ€™t need to explicitly break out the switch at the end of case

All of the above

Correct Answer : All of the above

What are the control transfer statements used in Swift?

Break

Continue

Fallthrough

All of the above

Correct Answer : All of the above

We Can Return Multiple Values In Swift From Function By Using?

Tuple

Array

Both (A) and (B)

None of the above

Correct Answer : Tuple

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