What happens when we invoke a method on a nil pointer?
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How to install an iphone application for testing?
What is thread in ios?
What is a memory leak ios?
Name the memory management rules and their related methods.
What are most ios apps written in?
Explain difference between nil and nil?
What is arc and how is it different from autorelease?
How can we achieve singleton pattern in iOS?
What is foundation framework in ios?
what is singleton class? Why the whole application creates a single instance?
Explain retain counts
How do I get ios 13?