Having covered classes, objects, inheritance, datatypes, and interfaces, we've now finished our study of the basic concepts of object-oriented programming. In the remainder of Part I, we'll explore a variety of other fundamental topics in ActionScript. But the object-oriented concepts we've studied will never be far behind. Object-oriented programming is the true foundation of ActionScript. The concepts presented in remainder of this book will all build and rely upon that foundation.
Up next, an overview of ActionScript's statements and operators.