EJB规范比较成熟,因而有许多优势:众所周知的设计模式、案例研究和最佳实践,还有丰富的供应商支持的开发工具集。
The EJB specification is mature, yielding the benefit of well-known design patterns, case studies, and best practices, as well as a rich set of vendor-supported development tools.
首先根据规范使用 JUnit 框架创建测试案例,然后开发实际的源代码。
Test cases were created first according to the specification using the JUnit framework, and then the actual source code was developed.
然而,在一些案例中,规范的版本间的微妙区别会带来很多麻烦。
In some cases, however, subtle differences between versions of a specification can cause a lot of trouble.
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