Apple Question:
Download Questions PDF

Explain fast enumeration?

Apple Interview Question
Apple Interview Question

Answer:

Fast enumeration is a language feature that allows you to enumerate over the contents of a collection. (Your code will also run faster because the internal implementation reduces
message send overhead and increases pipelining potential.)

Download Apple Interview Questions And Answers PDF

Previous QuestionNext Question
Explain why iPhone apps are popular?Explain does iOS support multitasking?