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Swift Interview Questions and Answers
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Questions
Swift
0
votes
Q: How can we make a property Optional in swift?
answered
Nov 8, 2022
in
Swift
by
SakshiSharma
(
32.2k
points)
swift-operation
0
votes
Q: How can we define a base class in swift?
answered
Nov 8, 2022
in
Swift
by
SakshiSharma
(
32.2k
points)
class
swift
0
votes
Q: How to pass the data between view controllers?
answered
Nov 8, 2022
in
Swift
by
SakshiSharma
(
32.2k
points)
data-controllers
0
votes
Q: How to create a constant in Swift programming?
answered
Nov 8, 2022
in
Swift
by
SakshiSharma
(
32.2k
points)
swift-programming
0
votes
Q: What are the best ways of achieving concurrency in iOS?
answered
Nov 8, 2022
in
Swift
by
SakshiSharma
(
32.2k
points)
concurrency
ios
swift
0
votes
Q: What is the difference between class and structure?
answered
Nov 8, 2022
in
Swift
by
SakshiSharma
(
32.2k
points)
class
structure
0
votes
Q: What is the difference between Array and NSArray?
answered
Nov 8, 2022
in
Swift
by
SakshiSharma
(
32.2k
points)
nsarray
swift
0
votes
Q: What is Tuple? How to create a Tuple in swift?
answered
Nov 8, 2022
in
Swift
by
SakshiSharma
(
32.2k
points)
tuple
swift
0
votes
Q: What is “defer”?
answered
Nov 8, 2022
in
Swift
by
SakshiSharma
(
32.2k
points)
defer
swift
0
votes
Q: What are the collection types that are available in swift?
answered
Nov 8, 2022
in
Swift
by
SakshiSharma
(
32.2k
points)
collection
swift
0
votes
Q: What is a GUARD statement? What is the benefit of using the GUARD statement in swift?
answered
Nov 8, 2022
in
Swift
by
SakshiSharma
(
32.2k
points)
guard-statement
swift
0
votes
Q: What is the use of double question mark “??” in swift?
answered
Nov 8, 2022
in
Swift
by
SakshiSharma
(
32.2k
points)
double-question-mark
swift
0
votes
Q: What is a delegate in swift?
answered
Nov 8, 2022
in
Swift
by
SakshiSharma
(
32.2k
points)
swift
delegate
0
votes
Q: What is a Protocol in swift?
answered
Nov 8, 2022
in
Swift
by
SakshiSharma
(
32.2k
points)
swift-protocol
0
votes
Q: What is a dictionary?
answered
Nov 8, 2022
in
Swift
by
SakshiSharma
(
32.2k
points)
dictionary
0
votes
Q: What is PLIST in iOS?
answered
Nov 7, 2022
in
Swift
by
Robin
(
14.5k
points)
plist
swift
0
votes
Q: Which JSON framework is supported by iOS?
answered
Nov 7, 2022
in
Swift
by
Robin
(
14.5k
points)
json-swift
0
votes
Q: How to add an element into an Array?
answered
Nov 7, 2022
in
Swift
by
Robin
(
14.5k
points)
element-array
element-add
0
votes
Q: What is the difference between Let and Var in swift?
answered
Nov 7, 2022
in
Swift
by
Robin
(
14.5k
points)
var
let
swift
0
votes
Q: What are the control transfer statements that are used in iOS swift?
answered
Nov 7, 2022
in
Swift
by
Robin
(
14.5k
points)
ios-swift
contol-transfer
0
votes
Q: What is init() in Swift?
answered
Nov 7, 2022
in
Swift
by
Robin
(
14.5k
points)
init-swift
swift
0
votes
Q: What type of objects are basic data types in swift?
answered
Nov 7, 2022
in
Swift
by
Robin
(
14.5k
points)
data-types
0
votes
Q: Is Swift an object-oriented programming language?
answered
Nov 7, 2022
in
Swift
by
Robin
(
14.5k
points)
object-oriented-programming
swift
0
votes
Q: Explain the common execution states for a swift iOS App (iOS Application Lifecycle).
answered
Nov 7, 2022
in
Swift
by
Robin
(
14.5k
points)
swift-ios
ios
swift
0
votes
Q: What are the most important features of swift?
answered
Nov 7, 2022
in
Swift
by
Robin
(
14.5k
points)
swift-features
0
votes
Q: What are the tools that are required to develop iOS applications?
answered
Nov 7, 2022
in
Swift
by
Robin
(
14.5k
points)
ios-applications
swift
0
votes
Q: Where can we test the apple iPhone apps if we don’t have an iOS device?
answered
Nov 7, 2022
in
Swift
by
Robin
(
14.5k
points)
apple-iphone
swift
0
votes
Q: Explain Swift vs Objective-C.
answered
Nov 7, 2022
in
Swift
by
Robin
(
14.5k
points)
swift-vs-c
swift
0
votes
Q: What are the advantages of using Swift?
answered
Nov 7, 2022
in
Swift
by
Robin
(
14.5k
points)
swift-advantages
0
votes
Q: What is iOS Swift?
answered
Nov 7, 2022
in
Swift
by
Robin
(
14.5k
points)
ios-swift
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