In this module I'll show some core java principles.
As I tried to keep the names of the used classes a close to the GOF design pattern used names of an
Interpreter you can find the Calculator as the
Client class in the interpreter package.
Note that The unit tests are used to demonstrate the workings of the the used pattern.
Eend / duck
Strategy pattern I demonstrated for a Dutch audience so sorry but it's in dutch.
I think most of you will understand though.