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There’s a principle of OOP called the “uniform access principle” (articulated by Bertrand Meyer, among others) that holds that a class should not leak whether a value is computed or is just a field on the object. That way, you don’t need getters/setters because, if you want to change the storage of a class member, you can just change it from being a data member to a method of vice versa. This helps avoid the explosion of getters and setters that characterize a certain sort of Java project.

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