________ is a process of querying and calling properties

Swift - Quiz(MCQ)

Swift Chaining

Optional Chaining

Lazy Chaining

All of the above

Correct Answer : Optional Chaining

Explanation : In Swift programming language, Optional Chaining is a process of querying and calling properties. You can chain multiple queries together, but if any link in the chain is nil then, the entire chain fails.

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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