Tell me how can you make a property optional in Swift?
Submitted by: MuhammadDeclaring a question mark “?” in the code can make a property optional.
If a property doesn't hold a value, then this symbol “?” helps in avoiding the runtime errors.
Submitted by: Muhammad
If a property doesn't hold a value, then this symbol “?” helps in avoiding the runtime errors.
Submitted by: Muhammad
Read Online Swift Developer Job Interview Questions And Answers
Top Swift Developer Questions
| ☺ | How to prioritize the usability of the demand Process? |
| ☺ | Explain me why do we use swift? |
| ☺ | Can you please explain the difference between between @synthesize and @dynamic in Objective –C? |
| ☺ | Do you know the Adapter And Memento Pattern? |
| ☺ | Do you know how Multiple Line Comment Can Be Written In Swift? |
Top Coding/Programming Categories
| ☺ | Python Interview Questions. |
| ☺ | OOP Interview Questions. |
| ☺ | Software engineering Interview Questions. |
| ☺ | PHP Interview Questions. |
| ☺ | VBA (Visual Basic for Applications) Interview Questions. |
