在显示来自Web应用程序和portlet的输出时，应用程序可以调用和配置嵌入式浏览器和portlet查看器，从而控制用户体验。
Your applications can invoke and configure both the embedded browser and portlet viewer to control the user experience when displaying the output from Web applications and portlets, respectively.
这两个代码块都会使用switch语句计算int值，从而得到输出到控制台的供人阅读的字符串值。
Both blocks of code evaluate an int value using a switch statement that results in a human-readable string value printed to the console.
特别要注意，我们将向生成的构件添加一些代码，以向Application Developer控制台输出跟踪消息，从而能够了解系统的执行情况。
In particular, we'll add some code to the generated artifacts that will write trace messages to the Application Developer console so we can understand the execution of the system.
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