\b[False as a general claim.] An appropriately chosen <software design pattern> can make expected variation easier: a new strategy or decorator can be supplied through an existing <object interface>. An unnecessary pattern can add indirection and make some changes harder, so applying one is not an automatic guarantee of flexibility either.

Solution

Past exam of the year 1 of the computer science course of the University of Oxford / 2016 / Imperative programming (resit) / 8 / e / ii / Solution

 Solution (source code)