Explain what is optional chaining?
- 1 Answers
- 2357 Views
- I also Faced
- E-Mail Answers
Explain what is optional chaining?..
Answer / 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 |
More Apple iOS Swift Interview Questions
What is lazy loading in ios swift?
Which is the superclass of all the view controller objects?
Difference in classes and structures in swift?
Can any be nil swift?
How do I add a bridging header in swift?
Is swift similar to python?
How can you write a comment in swift?
What is static let in swift?
What do you mean by initialization?
Explain what Lazy stored properties is and when it is useful?
What is base class in swift?
How to pass the data between view controllers?
Apple iOS 
