Beyond a single value, atomic cannot be used for thread safety purposes.
if the instance variable is gonna be accessed on multi threading environment.
Why properties are made nonatomic in Objective C?
1.What are the differences between Cocoa and Cocoa Touch?
2.What is Xcode ?
3.What is the use of plist ?
4.What is .ipa in iOS ?
5.What is .xib in iOS ?
6.Your apps will scale automatically on iPhone 6, iPhone 6 Plus screens.
What are required delegates and data sources for Table View?
8.Some important notes about View in iPhone.