Unlike a list in say Python ... To create this type of array in Java, simply create a new variable of your chosen data type with square brackets to indicate that it is indeed an array.

First try to add items to the HashSet, and if the HashSet indicates the item is already in the set, add that duplicate to the List: We can combine the improved speed of the HashSet above with the ...

We've looked at the fundamentals of the Java Collections Framework and seen how to create new data structures based on abstract base classes it provides. In the next article, I'll show you how to ...