What is delegate method?
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What is uitableviewdatasource?
Explain application states
How will you implement sets and the intersection operation? Complexity?
Difference between categories and extensions?
How do you fix app errors on iphone?
What is nspersistentstore? Is it thread safe?
Explain parent-child context setup. How does it work? What are the advantages?
Will iphone 6s get ios 14?
What is the mean of not running state in ios?
What is the difference between NSArray and NSMutableArray in iOS operating system?
What is fast enumeration in iOS operating system?
Implement the following methods: retain, release, auto release in iOS operating system?