Special Edition Using Enterprise JavaBeans™ 2.0

The Role of Performance in Design

Worrying about performance when you’re first designing an application can be a stumbling block if you’re not careful. Your first priority as a designer should be to produce a good object-oriented design. You want to build systems where responsibilities are allocated to reusable components that hide their implementations behind public interfaces. You want these components to provide a cohesive set of functionality while keeping the coupling between components to a minimum. You want each class that helps make up a component to encapsulate the data and methods needed for a related set of tasks and to do it in a way that results in granular classes that can be reused. And as if all that weren’t enough, you want ...