Why we use synthesize in objective c?

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Why swift is faster then objective c?

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Is swift based on objective c?

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List out the methods used in nsurl connection?

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Can you please explain the way messaging works in objective-c?

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What is dynamic dispatch method?

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Explain when to use nsarray and nsmutablearray. Which one is faster and threadsafe?

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What happens when you create a block?

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What is property classification?

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What is nsstring?

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Who calls dealloc method? Can we implement dealloc in arc? If yes, what is the need to do that?

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What is the use of objective c?

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Can you use swift and objective c together?

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Is objective c similar to c++?

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Who made objective c?

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