Sun Java System Application Server Enterprise Edition 8.1 2005Q2 Administration Guide

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### Groups

A J2EE group (or simply group) is a category of users classified by common traits, such as job title or customer profile. For example, users of an e-commerce application might belong to the `customer` group, but the big spenders would belong to the `preferred` group. Categorizing users into groups makes it easier to control the access of large numbers of users.

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