Item 56: Adhere to generally accepted naming conventions
1. Loosely speaking, naming conventions fall into two categories: typographical and grammatical.
2. Package names should be hierarchical with the components separated by periods. Components should consist of lowercase alphabetic characters and, rarely, digits. The name of any package that will be used outside your organization should begin with your organization's Internet domain name with the top-level domain first. Users must not create packages whose names begin with java or javax. The remainder of a package name should consist of one or more components describing the package. Components should be short, generally eight or fewer characters. Meaningful abbreviations are encouraged.
3. Class and interface names, including enum and annotation type names, should consist of one or more words, with the first letter of each word capitalized. Abbreviations are to be avoided, except for acronyms and certain common abbreviations. If multiple acronyms occur back-to-back, you can still tell where one word starts and the next word ends when you capitalize only the first letter of the acronyms.
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