Swi Interview Questions
Swi Interview Questions for
Experienced
(.....Continued)
19.
How should one consider the usage of strong, weak and unowned references?
20.
When is the usage of a set more preferable than an array in ios Swi ?
21.
Show the use of "self" in a method using an example.
22.
How can we use the "inout" parameter in ios Swi ? Explain with an example.
23.
Explain the difference between Self and self in ios Swi .
24.
State your understanding of delegates in ios Swi .
25.
How can the double question mark symbol "??" be used in ios Swi
programming?
26.
What is the meaning of a GUARD statement? What are the advantages of using
Swi 's GUARD statement?
27.
What do you understand about generics in ios Swi ?
28.
What do you understand about optionals in ios Swi ? What is the problem which
they solve?
29.
What are a few scenarios in which we can't avoid using implicitly unwrapped
optionals and why so?
30.
In Swi , how would you describe a circular reference? What are your options for
resolving it?
31.
State your understanding of core data.
32.
What are the several methods for unwrapping an optional in Swi ?
33.
What is a Swi module?
34.
What do you understand about Grand Central Dispatch (GDC)?
Swi Programming
35.
Let us take into consideration the following code snippet in ios Swi :
36.
In the given code snippet, we have used var to declare viewOne and let to create
viewTwo. Will the last line compile?
