avoiding if statements

Question

I was thinking about object oriented design today, and I was wondering if you should avoid if statements. My thought is that in any case where you require an if statement you ca

Answer 1

Yes its true that often complex conditionals can be simplified with polymorphishm. But its not useful all the time. Go read Fowler's Refactoring book to get an idea of when.

http://www.refactoring.com/catalog/replaceConditionalWithPolymorphism.html