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Sams Teach Yourself J2EE™ in 21 Days by Peter Roxburgh, Andy Longshaw, Debbie Law, Dan Haywood, Martin Bond

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Monolithic Development

In the days of the mainframe or the standalone personal computer, when an application was housed on a single machine, it was common to find monolithic applications containing all the functionality of the application in one large, frequently unmaintainable piece of software (sometimes referred to as spaghetti code). All user input, verification, business logic, and data access could be found together. This suited the world of the mainframe and corporate data center because everything was controlled and the systems themselves tended to evolve slowly. However, as the world has speeded up over the last two decades, the high levels of maintenance required to keep up with changing business needs using such an application would ...

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