Explain stack and heap?
Define cocoa?
What is categories in iOS?
Does ios support multiple inheritance?
Explain what is the stack of autorelease pools. How autorelease pool work under the hood?
What is 1x 2x and 3x in ios?
When to use nsmutablearray and when to use nsarray?
What is the concurrency how many ways you know to achieve concurrency?
What is category and class extension? How these differ?
What do you mean by rest?
Who is the founder of ios?
What is advantage of categories? What is difference between implementing a category and inheritance?
What is datasource in ios swift?
What are the different store migration options? When are they used?
What is notification in iOS?