You can save or even print these log messages.

您可以保存或甚至打印这些日志消息。

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The org.perf4j.LoggingStopWatch class is used to add timing statements to code and print those statements to an output stream or log file.

LoggingStopWatch类用于在代码中添加计时语句并打印到标准输出或者日志文件中。

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In this case, the first log message would print NaN, while the second would print A1, 2.

在本例中，第一个日志消息将会打印nan，而第二个将会打印a 1, 2。

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