This week's book giveaway is in the General Computing forum. We're giving away four copies of Arduino in Action and have Martin Evans, Joshua Noble, and Jordan Hochenbaum on-line! See this thread for details.
JEE (J2EE is an outdated name for it) is not an application, it is a framework for building applications. Any particular application built with it can have any number of layers/tiers. A common separation is the 3-tier approach: a view layer, a business layer, and a data layer (or persistence or integration layer).
Ulf Dittmer wrote:JEE (J2EE is an outdated name for it) is not an application, it is a framework for building applications. Any particular application built with it can have any number of layers/tiers. A common separation is the 3-tier approach: a view layer, a business layer, and a data layer (or persistence or integration layer).
please explain about this topic
Ulf Dittmer
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Explain what? It's a big topic that can't be explained in full in a forum like this; you can start reading up on it at Multitier_architecture.
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