Decoupling Application Logic, Persistence, and Flow
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Description: JavaBeans and Object-Oriented Design Virtually every Java developer is familiar with the JavaBean specification. One of the most important parts of this specification is the use of certain predictable method signatures to control properties of the bean (e.g. the getXXX and setXXX methods we all know and love). JavaBeans are of course a specific instance of the general object-oriented method that is a foundation of any well-structured Java application.