Enterprise Application Model in Java The Enterprise Java BluePrints for the J2EE platform describe the J2EE application model and best practices for using the J2EE platform. Building on the J2SE platform, the J2EE application model provides a simplified approach to developing highly scalable and highly available internet or intranet based applications. Thanks to the J2EE application model, maybe the most interesting thing about J2EE applications is what they don't do. That is, various complexities inherent in enterprise applications -- transaction management, life-cycle management, resource pooling -- are built into the platform and provided automatically to the components it supports. Component and application developers are free to focus on specifics such as business logic and user interfaces. Another advantage of the J2EE platform is that the application model encapsulates the layers of functionality in specific types of components. Business logic is encapsulated in Enterprise