iOS Interview questions and answers for Swift and Objective-C - part 1

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Here i have covered 15 iOS interview questions and answers. I will come back with more questions and answers. Here is the 15 topics/questions we covered in this video -
- Copy vs Readonly
- Copy vs Strong
- Weak vs Strong
- Weak vs Unowned
- Gist of all the attributes
- ARC & Retain Cycle
- Optional in Swift
- What is ??(Double question mark)
- Optional Chaining
- Optional Binding
- Delegate vs Notification
- Class vs Struct
- Enum
- Guard
- Defer

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▬▬▬▬▬▬ ⏰ TIMESTAMP ⏰ ▬▬▬▬▬▬

0:00 Introduction
0:20 COPY VS READONLY
1:54 COPY VS STRONG
2:41 WEAK VS STRONG
3:55 WEAK VS UNOWNED
5:08 GIST OF - ALL THE ATTRIBUTES
7:44 ARC-AUTOMATIC REFERENCE COUNTING & RETAIN CYCLE
9:39 OPTIONAL IN SWIFT
10:24 WHAT IS ? ? (DOUBLE QUESTION MARK IN SWIFT).
12:06 OPTIONAL CHAINING
14:17 OPTIONAL BINDING
15:23 DELEGATE VS NOTIFICATION

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Hii
For copy whose retain count will increase by one? The original one or the copied object??

deepikasahu
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Super, Very well explained. looking for more such videos.

SwiftUI_ios_information
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Thank you so much for the information mam, but please try to make videos in Hindi, because there are hundred of YouTuber, who are teaching in English.and there is only one channel Mr.Yogesh Patel.buy as i saw your videos, mujhe lagta he aap bhi Hindi me sikha skti he, and I'm sure you'll get a good response on channel too. I'm subscribing your channel.and waiting for more and more informative videos.best of luck 😊 we need guidance from people like you and Yogesh sir☺

Mysterious_fatness
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