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来源:百度知道 编辑:UC知道 时间:2024/05/28 06:10:58
Once the JRE is configured, you next create a J2EE Runtime Environment. As we indicated, the J2EE Runtime Environment provides support for the enterprise features that will be used within your J2EE application. A J2EE application that is created must be targeted at an instance of this J2EE runtime library.
Unlike with the configuration of a JRE, where the installed JRE is often provided by Sun Microsystems (the creator of the Java language), J2EE Runtime Environments are available from a wide variety of vendors. This is because the J2EE Specification as we have described in Chapter 1 merely provides a blueprint for the creation of J2EE applications. Different vendors then create their own application servers and dependent libraries that conform to this blueprint. This is the reason why you may see the terms J2EE Runtime Environment and server runtime environment used interchangeably within JST.

一旦配置JRE,您其次创造一个J2EE运行时间的环境。 如同我们表明了, J2EE运行时间的环境为在您的J2EE应用之内将使用的企业特点提供支持。 被创造的J2EE应用必须瞄准在这个J2EE实时程序库事例。
不同于以JRE的配置, Sun Microsystems经常提供安装的JRE (Java语言的创作者), J2EE运行时间的环境是可得到从各种各样的供营商。 这是,因为J2EE规格,因为我们在第1章描述了为J2EE应用的创作仅仅提供一张图纸。 不同的供营商然后创造依照这张图纸的他们自己的应用服务器和依赖图书馆。 这是原因为什么您可以看在JST之内和服务器运行时间的环境互换性使用的期限J2EE运行时间的环境。