Explain when to use nsarray and nsmutablearray. Which one is faster and threadsafe?
What is the difference between method and type?
What is difference between array and nsarray?
What are nsautoreleasepool and how can we use them?
What is the difference between polymorphism and abstraction?
What happens if you add your just created object to a mutable array, and you release your object?
Why do we require class extension?
What is an example of tangible property?
Tell me about important protocol being used in objective c?
What is a function file?
What is a delegation protocol?
How declare methods in objective c?
What is dynamic dispatch method?
Why swift is better than objective c?
Is objective c superset of c?