What is strong and weak in objective c?

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Is objective-c is used in window also?

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How to declare global variable in objective c?

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What are the 5 performance objectives?

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What are the rules of variable?

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How do you write an objective statement?

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What are the rules for identifiers?

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What is an objective fact?

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What is difference between nil and nill?

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Why swift is better than objective c?

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How to initialize nsmutabledictionary in objective c?

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What is an example of category?

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What is difference between nsstring and nsmutablestring?

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What is a nsstring?

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What is a selector objective c?

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