Java Sets

ByWalter Wimberly

Java has two different types of sets, Unsorted and Sorted… even if Math Sets are technically unsorted. Unsorted Sets Unsorted sets in Java are not a class that can be defined. Therefore you need to use the HashSet and then use the polymorphic nature of the OOP to create the set. From here, you want…

Java Stacks

ByWalter Wimberly

The Stack class is found in java.util and it extends the Vector Class. This means it can grow and shrink as needed, which is helpful for a Stack. As it extends a Vector, it is helpful to Parameterize the constructor. Just like the Stack that we’ve created, it has the same methods: push(), pop(), and…