What is a delegate in objective c?

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Is reference counting garbage collection?

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Is c++ objective c?

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Is objective c better than c++?

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How different is objective c from swift?

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What does the gc () method?

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Can you retain delegates?

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What happens when you create a block?

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Can we create dynamic classes in objective c? If yes, explain how to create with a valid use case?

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Ns object is a parent class or derived class?

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How do I create a bridge header in objective c?

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What is extern objective c?

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How do you write a good objective?

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How does dispatch_once manages to run only once?

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What happen if we send any message to an object which is released?

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