... < Day Day Up > Classes, Top-Level Classes, and Instances Basically, a class is a definition or blueprint of how an object is made up and how it should act. For example, an instance of ... concepts, terminology, and examples, you'll gain a better understanding of what a class really is. A class generally exists to produce an instance of itself on demand. You create an instance ... class to use any of its properties and methods. When creating the array instance, the Array class creates an object and then populates it with properties and methods. In a sense, the Array...