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the next pattern in the simplifying conditional expression series is called replace conditional with polymorphism the motivation here is that you have a conditional that chooses different behavior depending on the type of an object and you want to move each leg of the conditional to an overriding method on a subclass now weve seen this example before and we used this pattern as part of a previous pattern but we didnt walk through the mechanics of this particular pattern which well do now so you may recognize this example where we have an employee object with a few fields that describe that object then it has a method on it with a switch statement in multiple cases depending on the type of the employee would change what that method returns and that type itself has an abstract superclass with multiple subclasses and so since this get pay amount method depends entirely on that employee type were going to move it to that employee type so the first thing well do is simply copy the meth
