Object-oriented programming concepts: Objects and classes Object-oriented programming (OOP) is a style of programming that focuses on using objects to design and build applications. Think of an object as a model of the concepts, processes, or things in the real world that are meaningful to your application. For example, in a project management application, you would have a status object, a cost object, and a client object among others. These objects would work together (and with many other objects) to provide the functionality that you want your project management application to have. Object-oriented programming is used to develop many applications—simple and complex applications, business applications and games, mobile and desktop applications. Developers choose to program in the object-oriented paradigm because the proper use of objects makes it easier to build, maintain, and upgrade an application. Also, developing an application with objects that have been tested increases the reliability of the application. ActionScript 3 is an object-oriented language. Almost everything you will need to build an application using ActionScript 3 is an object—Sprite, MovieClip, TextField, Array, and the like. Understanding objects and knowing how to work with them is key to developing any application using ActionScript 3. This article is the first of many that will focus on object-oriented programming concepts within ActionScript 3. In it, you will learn what an object is, what a class is, how to instantiate an object, and how to work with objects using dot notation.
Posted on: Tue, 26 Aug 2014 04:56:36 +0000
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