#appdeveloperpoint
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We are going to understand the difference between weak, unowned and strong with real time examples. Also we will see how to avoid retain cycle in iOS. And what can lead to crash when using unowned vs weak.
Chapters
0:00 Intro
1:05 Strong vs weak vs unowned explained
8:42 Common Interview problem explained
![](https://i.ytimg.com/vi/Lzl9h_MovJg/maxresdefault.jpg)