Explain app id?
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Why is delegate weak in ios?
Difference between categories and extensions?
What is weak and strong in ios?
Explain application sandboxing.
Is it possible to write a program without using nib file
Give example scenarios when an application goes into inactive state?
Is appdelegate a singleton?
What happens if iapplication object does not handle an event?
How do you setup/initialise a core data stack in your application? Is this activity performed on main thread? If not, why?
Explain the difference between nsarray and nsmutablearray?
What are the benefits of ios?
Are ios developers in demand?