Titlebook: Beginning Java EE 7; Antonio Goncalves Book 2013 Antonio Goncalves 2013

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Networks and their Applicationsh layer, proving to be time-consuming, harder to maintain, and error prone. To avoid duplication of these validations in each layer, developers often bundle validation logic directly into the domain model, cluttering domain classes with validation code that is, in fact, metadata about the class itself.

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Understanding Interactive Media,ind of web services has gained in popularity: RESTful web services. With that in mind, many key web players such as Amazon, eBay, Google, and Yahoo! have decommissioned their SOAP web services in favor of RESTful resource-oriented services.

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RESTful Web Services,ind of web services has gained in popularity: RESTful web services. With that in mind, many key web players such as Amazon, eBay, Google, and Yahoo! have decommissioned their SOAP web services in favor of RESTful resource-oriented services.

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Enterprise JavaBeans,siness logic, especially when there are multiple interfaces (Web, Swing, portable devices, etc.). To separate the persistence layer from the presentation layer, to implement business logic, to add transaction management and security, applications need a business layer. In Java EE, we implement this layer using Enterprise JavaBeans (EJBs).