As a user of virtual application patterns, you do not need to know how to install, configure, or integrate the middleware and applications because the pattern encapsulates that knowledge.
作为虚拟应用程序模式的用户，您无需了解如何安装、配置或集成中间件和应用程序，因为这些模式囊括了这些知识。
Armed with my knowledge of the search count, I may need to enter the interactive query mode (the user is asked if he wants to do so, and if not, the program quits gracefully).
有了检索计数知识，可能需要进入交互式查询模式(用户会被询问是否希望这样做，如果不，程序会温柔地退出)。
The problem with this approach is that the designer of your graphical user interface would need to have knowledge of portlet technology to write the doView() method.
这种方法的问题是，图形用户界面的设计者需要具有 portlet 技术的知识来编写 doView() 方法。
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