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Swift Tutorial
BOSS QUIZ
10 questions · 5 minutes · pass at 70% to clear the track.
05:00
Start
Q1.
Protocols + extensions enable…
from Protocols
Function pointers
Protocol-oriented programming
Manual ARC
Reflection only
Q2.
Swift memory is managed by…
from Intro
GC
ARC
Borrow checker
Manual free
Q3.
A unit of concurrency is…
from async / await
Thread
Task
Job
Async
Q4.
Prefer structs over classes when…
from Structs
You need identity / shared state
You need value semantics / no shared state
Always
Never
Q5.
Inside a mutating method on a struct you need…
from Structs
Nothing
The mutating keyword
@MainActor
inout
Q6.
Swift was released in…
from Intro
2010
2014
2018
2020
Q7.
Isolated mutable state in concurrency is provided by…
from async / await
Locks only
Actors
GCD only
Semaphores only
Q8.
A protocol is most similar to…
from Protocols
A subclass
An interface
A namespace
A macro
Q9.
Swift is developed by…
from Intro
Google
Apple
Mozilla
JetBrains
Q10.
Default value for nil uses…
from Optionals
?:
??
!!
|=
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