The JSP should display the {symbol} variable in the input box (Figure 23).

JSP将会在输入框中显示 {symbol} 变量（图 23）。

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When the runtime user makes a change in the input box, the browser sends a request to the server.

当运行时用户更改输入框内容时，浏览器将向服务器发送请求。

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If you put a message in the input box and click Send message, the message appears in the command-line consumer.

如果你输入框中输入消息，然后点击发送消息按钮，该消息会出现在消费者端的命令行上。

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So we'll talk a bit more about this idea of functions today, but, get int, again, can think of it as a black box, whose purpose in life is to prompt the human for input and pester the human if he or she doesn't actually give it int, but then once it has that, has entered it from the user, it's quote unquote, returns it to you.

所以我们进今天将多讨论点这个函数的概念，但是，GetInt，我们可以把它当做一个黑盒子，它的唯一目的是提示人们来输入,并且如果他或她没有,给它int数，则会纠缠用户，但是一旦它得到了，用户输入的int数，对输入进行引用，返回给你。

哈佛公开课 - 计算机科学课程节选

So is the cardboard-box industry, as its basic input, used cardboard, is now in short supply.

ECONOMIST: The rising price of cardboard