/** * Instantiate my collections with empty versions using Collections fields. * This will result in javac compiler warnings stating "warning: [unchecked] * unchecked ...

There are many ways to do anything in Java, and there is no conclusive right way. Often, the right way is simply the way you know best. Imperative loops like the for loop are the most basic way to do ...

Java provides HashSet and TreeSet implementations. For maps, you have the choice between HashMap and TreeMap implementations. A LinkedHashMap retains insertion order. The Collection interface and ...