Interested to Buy Any Domain ? << Click Here >> for more details...
Explain what is optional chaining?
- 1 Answers
- 3141 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 the synonym of swift?
How can you declare a variable in swift?
Is swift a functional language?
What are the advantages of using swift?
How to write a multiple line comment in swift?
Explain some common features of protocols & superclasses.
What is init() in swift?
What is optional binding?
What is nsrange in swift?
What is operation queue in swift?
What language is swift most similar to?
What are the advantages of using swift for ios development?
Apple iOS 
