How many versions of ios are there?
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Why core data is faster than sqlite?
How are non-atomic and atomic properties different? Which one is the default property for synthesized properties? When would a user operate one over the other?
What ios version onwards arc can be used?
How would you create your own custom view?
Explain "private", "protected" and "public"?
What is weak in ios?
Define autorealease pool?
What is queue in ios?
Is there any garbage collector concept available in iOS?
What devices will support ios 7?
How core data works to save data in persistent storage?
When to use nsmutablearray and when to use nsarray?