B 4.1.5 Sets as an ADT Java (HL Only)
In computer science, we often need to work with groups of items. You are already familiar with arrays and ArrayLists, which are ordered collections. But what if you need a collection where the order doesn't matter, and you want to ensure that every item is unique? For this, we use a powerful Abstract Data Type (ADT) called a Set. This chapter will guide you through the fundamental characteristics of sets, the core...