Java EE 5 最关键的地方，就是开发将更加简易，将更关注小到中型系统的开发。
JSR-244规定了Java EE 5总体框架下需要具备的技术特性，其中的各项技术又分别由其他JSR所规定。从提交公开审查的规范草案Java EE 5的来看，Java EE 5的关注重点是简化应用开发，尤其是大量采用元数据标注（annotation）和POJO（普通Java对象）驱动的开发方式，对平台进行了重新定义。
官方提到：
The major theme for the next version of Java EE is ease of development. The clear message we've heard from Java EE vendors and users is that the Java EE platform must evolve quickly to support a wider range of developers, including less sophisticated developers. JSR-175 (A Metadata Facility for the JavaTM Programming Language) is the enabling facility for a new declarative style of programming that significantly simplifies many programming tasks. Java EE must move quickly to take advantage of this capability and deliver significant improvements to ease of development for Java EE developers. In particular, this capability will be used to simplify the development of web service applications.
对Java EE 5你有何期待？
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