What is the meaning of 'strong'keyword?
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what are the controllers are available in objective C
Explain inheritance?
What does 2x resolution mean?
What is difference between 'protocol' and 'delegate'?
Give example scenarios when an application goes into inactive state?
Explain the usage of struct?
What are the limits of accessibility ?
Explain what is a class?
What is lazy loading?
What happens when you invoke a method on a nil pointer?
Functionality of accelerometer of an iphone
What is core data stack?