not sure about "the best way", but besides the obvious cases ( factory, singleton ) i apply the Kerievsky's Refactoring To Patterns method. “Instead of thi

not sure about "the best way", but besides the obvious cases ( factory, singleton ) i apply the Kerievsky's Refactoring To Patterns method. “Instead of thinking about a design that would work for every nuance of a system, test-first programming enabled me to make a primitive piece of behavior work correctly before evolving it to the next necessary level of sophistication.” Kerievsky (2002) https://www.amazon.com/Refactoring-Patterns-Joshua-Kerievsky/dp/0321213351/ https://www.amazon.com/Refactoring-Patterns-Joshua-Kerievsky... If a piece of code survives long enough to deserve some refactoring, then i take a closer look at the patterns.