Listing 4 shows this code, in the form of an application that takes a pair of command-line arguments giving the class name and method name to be timed.

清单4展示了该代码，它是一个带有两个命令行参数的应用程序，这两个参数分别给出类名和要计时的方法名。

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Line 17 explains what name and value pair to send to the action.

第17行说明了向操作发送哪些的名称和值。

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For example, in the code above we used -d "for the command line option defining a name-value pair."

比方说，在上面的代码中我们用“- D”这一命令行选项来定义名-值对。

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