这三个类基本上只需要一行代码。
那么，这一行代码是干什么的呢？
该函数的最后一行代码刷新表。
这一行代码是干什么的啊？
如果你已经测试了每一行代码你会怎么做？
How could you if you have tested virtually every line of code?
清单1中的机场名称信息通常是一行代码。
Note that the airport name information in Listing 1 usually is a single line of code.
事实上，其中4个步骤仅需修改一行代码。
In fact, for 4 of them, it's as simple as changing one line of code.
发布事件只需一行代码。
实际上，比较本身只用一行代码就能够做到。
In fact, the comparison itself can be made with just one line of code.
但是，没有一行代码是由所有这个活动产生的。
But not a single line of code has resulted from all this activity.
用一行代码打印%ENV内容。
从清单2中可以看到所有这些只由一行代码实现。
From Listing 2, you can see that all of this was accomplished with just one line of code.
上面代码段的最后一行代码将保存会话。
看到这一行代码。
第一行代码装载这个扩展。
(右大括号)与声明函数的那一行代码头部对齐。
The (right curly brace) is aligned with the line containing the beginning of the declaration of the function.
与Click事件处理程序不同，添加一行代码。
您甚至可以添加一行代码来突出显示不正确的字段。
You could even add a line of code to highlight the incorrect field.
可以在无需编写一行代码的前提下编写基本应用程序。
请注意，以前的两行代码现在变成了整洁的一行代码。
Note that what was previously two lines of code now fits neatly into a single line of code.
只有一行代码？！是的，就是只有一行代码。
所以我实际上不需要那个花括号，因为我只有一行代码。
So I actually don't need the curly braces because I only have a single line of code.
除了这一行代码，您无需再编写任何其他东西。
Apart from this single line of code, you do not have to write anything else.
它构建URI，设置请求头，并在一行代码中调用请求。
It builds the URI, sets the request headers, and invokes the request in one line of code.
在清单2中的原始代码基础上只更改一行代码即可。
This requires you to change only one line of code from the original code in Listing 2.
你可以写一行代码来改变你先前设计的应用程序。
You can make any necessary changes to your design prior to writing a line of code.
其实，你几乎可以不用编写一行代码就能建立起整个应用程序。
In fact, you can almost get away with building an entire application without writing a single line of code.
下一行代码指定执行您的JAR命令，如果不成功则引发错误。
The next line says to execute your JAR command and raise an error if unsuccessful.
第一行代码导入了Services_JSON实现。
The first line of code imports the Services_JSON implementation.
第一行代码导入了Services_JSON实现。
The first line of code imports the Services_JSON implementation.
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