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Advanced ActionScript 3, Second Edition by Ben Smith

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CHAPTER 7

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Behavioral Patterns

Each object used in a adds a specialized behavior. It may be computational or managerial, but regardless of the specifics, the objects aim to facilitate specific goals in a system.

Code that should be encapsulated is too often hard-coded in a class, due to the ease of maintaining scope. Time constraints, lack of practice, and unfamiliarity with better techniques are all reasons a developer may allow non-encapsulated behaviors to add unnecessary lines of code to classes. Doing so can make a class more difficult to maintain and adjust, and decreases the code’s reusability.

Behavioral patterns abstract the objects that ...

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