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

One practical example is validateMenuItem method where menu items are identified with their target actions.

Simplified example:

- (BOOL)validateMenuItem:(NSMenuItem *)item {
    if ([item action] == @selector(selectFiles:) && otherCondition) {
        return YES;
    } else {
        return NO;
    }
}