Answers and answer sketches to the Module 2 practice exercises.
The code can be found here.
Hints: Your comparator class should have a field of an enumerated type, a way to set the value of the field, and use this value in the compare method.
You can also clone the Solitaire GitHub repo and delete the Java files to give yourself a fresh start.
Sample answers can be found in the Solitaire GitHub repo. Note that in my solution I bypassed the creation of individual SuitStack classes and managed everything through a single SuitStackManager. However, it's not a bad idea to try it as suggested first.
Since this is a model, small variants are possible. For example, the model would also be correct and useful without the interfaces Edge and Node. I added them because I thought that was a neat way to answer the question "What is a GraphElement?". I also only included a subset of the methods in SelectionList which I thought gave the best idea of how the class "worked", and left out a bunch of state querying methods.
