为了深入了解编译器做了什么，请用 -XX:+PrintCompilation 标志调用JVM，这个标志会使编译器（客户机或服务器）每次运行的时候打印一条短消息。

To get some insight into what the compiler is doing, try invoking the JVM with the -XX:+PrintCompilation flag, which causes the compiler (client or server) to print a short message every time it runs.

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完成之后，再次运行测试，您将在服务器控制台中看到备份服务的打印输出。

After that, run the test again; you should see the printout for the backup service in the server console.

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查看器的工具栏有很多图标，他们可以完成内容表格的显示，重新运行报表，导出数据，以多种格式导出报表以及客户端和服务器端打印等任务。

The Viewer toolbar has ICONS for displaying the table of contents, re-running the report, exporting data, exporting the report to another format, and client and server-side printing.

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xprint的优点是提供了统一的显示和打印API，但是它通常作为单独的服务器进程运行，而且它的 API很糟糕。

While xprint had the advantage of a unified display and print API, it was typically configured to run as a separate server process and had a poor API.

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xprint的优点是提供了统一的显示和打印API，但是它通常作为单独的服务器进程运行，而且它的 API很糟糕。

While xprint had the advantage of a unified display and print API, it was typically configured to run as a separate server process and had a poor API.

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