In fact, this example would compile because you can use curly braces in this way to encapsulate lines of code, but realize for now, that, not good.

实际上，这个例子可以编译,因为你可以用这种方式来压缩代码行,但是请认识到，那个，不太好。

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And you can write your source code in it but to compile something you don't run a command like GCC and then the name of the file, you instead click a button.

你们可以在上面写源代码,如果要编译的话，不用像GCC这样要输入命令，文件名,只需点击按钮就可以了。

哈佛公开课 - 计算机科学课程节选