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71 interview questionsfor developers (2024)

Test your developer skills before an interview with 71 corrected questions on 80+ topics. Beginner, Intermediate or Expert level.

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Expert
1 vote21 runs0 comment
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Objective-C: What is the output of this code?

Mobile developer
objective-c
autorelease pool
Smart&Softat Nov 2, 2021
Medium
0 vote29 runs0 comment

How to import XCTest framework in Objective-C

Mobile developer
unit testing
XCTest
Smart&Softat Nov 2, 2021
Medium
0 vote27 runs0 comment
Medium
0 vote27 runs0 comment
Expert
0 vote27 runs0 comment
Medium
0 vote26 runs0 comment

How to get the image from the UIImagePickerController in Objective-C

Mobile developer
objective-c
uiimagepickercontroller
Smart&Softat Nov 3, 2021
Hard
0 vote26 runs0 comment

Create an NSArray object in Objective-C

Mobile developer
array
objective-c
Smart&Softat Nov 2, 2021
Medium
0 vote26 runs0 comment
Expert
0 vote25 runs0 comment

What is a non-concurrent operation in Objective-C?

Mobile developer
objective-c
concurrent
Smart&Softat Nov 3, 2021
Easy
0 vote25 runs0 comment

How to use KVO in Objective-C

Mobile developer
objective-c
key-value-observing
Smart&Softat Nov 2, 2021
Easy
0 vote25 runs0 comment
Hard
0 vote25 runs0 comment
Easy
0 vote24 runs0 comment

What is the type of the variable "dict" in this code?

Mobile developer
dictionary
objective-c
Smart&Softat Feb 27, 2023
Expert
0 vote24 runs0 comment
Hard
0 vote24 runs0 comment

How to make a method thread safe in Objective-C

Mobile developer
objective-c
synchronization
Smart&Softat Nov 2, 2021
Expert
0 vote24 runs0 comment