Explain retain counts in iOS operating system?


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More Apple iOS Interview Questions

Do you know what is iphone reference library?

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Explain the difference between nil and nil?

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What is mvp in ios?

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Tell me the hierarchy of uibutton.

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What json framework is supported by ios (iphone os)?

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Assume that your app is running in the foreground but is currently not receiving events. In which sate it would be in?

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what are fetched properties? How do you create a fetched property?

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What is difference between 'assign' and 'retain' keyword?

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Explain ios multitasking?

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Explain layer objects?

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