The two patterns are \b[the <factory method pattern> and the <decorator pattern>]. `Manufacturer.build` is the factory operation specialized by the two national manufacturer <software classes>. `Option` and its subclasses wrap a `Car` to add configurable behavior.

Solution

Past exam of the year 1 of the computer science course of the University of Oxford / 2016 / Imperative programming / 8 / b / Solution

 Solution (source code)