What are kvo and kvc?
How to parse json? Explain
How to change the content of your app in order to change the views displayed in the corresponding window?
What persistent storage used in mobile apps - ios?
How we can wait for some thread to finish before starting another?
What kind of database is realm?
What is the use of double question marks (“??”) ?
Tell me the hierarchy of uibutton.
So how is the new look different from the old look?
What is mvc? Mvc architecture of iphone app.
How to send crash report from device?
Which class will be subclassed in iOS operating system?
Tell me what is iphone os?
What json framework is supported by ios (iphone os)?
What is the biggest change with ios 7?