Jet Synthesis iOS Interview Questions

Pune, Maharastra
Date : March,2021

1. What you do for battery management in your app while using GPS?
2. Which method of URLSessoin you can use to get data from REST api?
3. How can I be notified if all my api running in parallel will be completed its excecution?
4. How we make sure all my api running parallel?
5. What are advantages of NSOperation over GCD?
6. Difference between class and struct
7. How to retain cycle occurs?
8. How do I find retain cycle? How to use instrument to check retain cycle?
9. What is unwind segue?