Explain how to call function in objective-c?

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Explain what are the attributes of category?

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What is a protocol in objective c?

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Can you retain delegates?

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What type of language is objective c?

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Explain the difference in xib/storyboard vs nib?

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What is protocol in simple words?

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What happens if you add your just created object to a mutable array, and you release your object?

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What is difference between c and objective c?

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How messaging works in objective-c?

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What is the purpose of managed object context (nsmanagedobjectcontext) in objective-c and how does it work?

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What is gcd objective c?

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What are static attributes?

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Who invented objective c?

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What are the different types of identifiers?

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