Explanation of Cocoa @selector usage

Question

I\'m new to Cocoa/Cocoa Touch, and working through a development book. I\'ve come across situations where the @selector() operator is used. I\'m a bit lost on how and when the

Answer 1

@selector() is used each time you need to pass the name of a method as an argument to another method, a function or as a variable value. Passing directly the name doesn't work in objective-C.