What persistent storage used in mobile apps - ios?
Assume that system is running low on memory. What can system do for suspended apps?
What is the extension of ios files?
What is arc ios?
Do you know which json framework is supported by ios?
Is there any garbage collector concept available in iOS?
Can we support the same application for iphone 3gs and iphone 5, 6, 7? Why not?
Assume that an app is not in foreground but is still executing code. In which state will it be in?
What are extra features added in ios 9?
When to use nsmutablearray and when to use nsarray?
What is strong weak in ios?
Multitasking support is available from which version in iOS operating system?
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Does ios have garbage collection?