Answer / Bhoopal Singh

In Objective-C, a delegate is an object that adopts a protocol and receives notifications or events from another object. The delegate usually handles the callbacks from the source object.

What are some of the major differences between objective c and swift?

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When to use nsautoreleasepool??

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Does objective c have function overloading?

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What is the use of category in objective-c?

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When might you use a cfarray/dictionary instead of a nsarray/dictionary?

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What is polymorphism in objective-c?

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Who calls dealloc method? Can we implement dealloc in arc?

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How the class “implementation” is represented in objective-c?

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What is lazy var?

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Is nsobject a parent class or a derived class?

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What are the important data types found in objective-c?

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What is a protocol in objective c?

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