Explain arc?
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What is messaging? How does the runtime handle message passing? What is message forwarding?
What is a category and when is it used?
Explain difference between release and autorelease?
What manual memory management?
What is called before viewdidload?
If you use location services in your app, will it drain your battery.if yes? How can we avoid?
Explain me what is arc? How it works?
Explain about the applications that can be used with iphone ?
What are the lifecycle events of uiviewcontroller?
Explain me what is "delegate"?
What is push notification?
Explain usage of struct?