What is the best way to replace or substitute if..else if..else trees in programs?

Question

This question is motivated by something I\'ve lately started to see a bit too often, the if..else if..else structure. While it\'s simple and has its uses, somet

Answer 1

In OO paradigm you could do it using good old polymorphism. Too big if - else structures or switch constructs are sometimes considered a smell in the code.