Answer / Shakti Singh Gurjar

Objective-C can be considered challenging for beginners due to its syntax, which is based on C with additional object-oriented features. However, with time and practice, it becomes easier to understand and work with.

What is the difference between underscore and self (i.e self.xx and _xx) ?

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What is method swizzling in objective c and why would you use it?

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Is reference counting garbage collection?

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What is objective c programming used for?

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Is objective c difficult?

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What is delegation protocol?

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Is swift objective c?

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

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Does a thread created using performselectorinbackground:withobject: creates its own autorelease pool?

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What do you mean by @synthesize and @dynamic in the objective-c? And also explain what do you mean by synthesized in objective-c?

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What is a block objective c?

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What is property and its types?

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