1) Differences Struct/Class and Open/Public modifiers.
2) Definition and usage of GCD/Concurrency.

Question

1) Differences Struct/Class and Open/Public modifiers. 
2) Definition and usage of GCD/Concurrency.

Anónimo · Accepted Answer

I was a bit excited because the company was top in my list.

Anónimo · Answer

It's essential to demonstrate that you can really go deep... there are plenty of followup questions and (sometimes tangential) angles to explore.


There's a lot of  Senior IOS Developer experts who've worked at DeliveryHero, who provide this sort of practice through mock interviews. There's a whole list of them curated on Prepfully.


prepfully.com/practice-interviews

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