Check if subclass overrides a method

Question

Is it possible to check whether a subclass implements a method that exists either in its immediate superclass or in some superclass of its superclass, etc?

E.g. I subcla

Answer 1

Expanding on ZeMoon's answer, I found that there wasn't enough logic to satisfy all cases. I needed to add a check to ensure that instances of the next superclass in the loop implement the specified selector at all. Subclasses of UIView are one example.

while (objSuperClass != Nil) {
    isMethodOverridden = ([objSuperClass instancesRespondToSelector:selector]) && 
                         ([object methodForSelector:selector] !=
                          [objSuperClass instanceMethodForSelector:selector]);

    if (isMethodOverridden) {

    }
}