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Learning Modular Java Programming by Tejaswini Mandar Jog

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Chapter 5. Developing the Business Layer

In every application, there are a number of components available. Some deal with user interfaces, some deal with the database, and some deal with configuration. But the core component which will decide how to deal with data is the business component. The business component will be involved in handling the data with immense care so that there will not be any mess; neither on the data side nor on the application flow side. The responsibility of these components is to manipulate the data by applying some mathematical formulae and certain business rules. These components will be involved in taking all kinds of decisions for handling the data to and fro in the application.

The application will have multiple layers ...

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