What is weak and strong in ios?
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What are the different types of ios application states?
How to parse json?
What is nsmanagedobjectcontext? What are the different concurrency types?
What is fast enumeration in iOS operating system?
Implement the following methods: retain, release, auto release in iOS operating system?
Explain about AFNetworking. What is the base class used in AFNetworking library
When can you get ios 13?
what is dispatchQueue?
How do I create a class in xcode?
what are the two different smart groups in Xcode?
What is nsuserdefaults?
Explain the characteristics of ios?