I've seen this happening a lot: - you have the same if-then-else in 3 places in code with 3 different effects - you refactor it to polimorphism (Enum with a f

I've seen this happening a lot: - you have the same if-then-else in 3 places in code with 3 different effects - you refactor it to polimorphism (Enum with a few overloaded methods works well in java) - now one of these places need additional condition so you make it a little more complex - year passes - you have eldritch abomination of OOP instead of 3 if-then-elses with slightly different conditions because at no point someone was brave enough to refactor back into if-then-elses as the special cases piled up