Explain what is garbage collection?
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What are the application lifecycle in ios?
What are sensors in iphone?
Explain "private", "protected" and "public"?
What is difference between weak and strong in ios?
What are layer objects?
What is synchronous vs. Asynchronous in gcd ?
What is the significance of autorelease?
When would you say that an app is not in a running state?
Is ios development hard?
What is the difference between copy and retain?
what are the two different smart groups in Xcode?
What is ios application life cycle?