Adobe Flex 4: Training from the Source, Volume 1

Lesson 7. Creating Classes

What You Will Learn

In this lesson, you will:

• Create an ActionScript class for use as a value object

• Create ActionScript classes for a shopping cart

• Add functionality to the ShoppingCart and ShoppingCartItem classes

Approximate Time

This lesson takes approximately 1 hour and 15 minutes to complete.

Objects are the core of any object-oriented language. So far you have used objects provided for you by Adobe; however, to accomplish anything of even marginal complexity in Flex, you need to be comfortable creating your own. Objects are the realization of classes. Another way to state this is that a class is a blueprint for an object that will be created. In this lesson, you will first create several classes ...