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Interview - 3

Submitted by Antonymous
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Date : 25, September, 2018
Company : Hotstar, Jio


  1. Which executes faster let/var and how it impacts memory?
  2. Thread and process diff
  3. Extension and inheritance diff.  and effect on memory.
  4. A class contains three variables and one static variable and one static func then what will be the size of class?
  5. Which data structure is used in tableview.dequereuseidentifer method?
  6. How will you detect if your app is uninstalled in case of push notification as your server will continuously push messages even though user has uninstalled the app.

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