Answer Posted / iosraj
Optional chaining is a process of querying and calling properties. Multiple queries can be chained together, and if any link in the chain is nil then, the entire chain fails.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What is the use of continue statement in swift loop?
What are the different ways to pass data in swift?
Is it worth learning swift 2019?
What is swift programming language?
What are the different floating point numbers in swift?
What is the use of break statement in swift language?
Explain some biggest changes in usernotifications.
What is mutable and immutable in swift?
What is the purpose of swift?
What are generics? How to make a method or variable generics in swift?
What is the full form of swift code?
What is category in swift?
Why do we need closure in swift?
What is a delegate in swift?
What is dependency injection in swift?