例如，一个类可能会打开一个流，并将其传递给另一个类以阅读来自文件的信息。

For example, one class may open a stream and pass it to another class to read information from a file.

youdao

有一点不是很重要但却很有帮助，初始打开每个应用程序时，都具有三个文件描述符，从0到2，分别表示标准输入、输出和错误流。

As a bit of helpful trivia, each application is initially opened with three file descriptors, 0 through 2, for the standard input, output, and error streams, respectively.

youdao

通过 URL 位置，您可以打开读属性文件的流。

With the URL location, you can open a stream to read the properties file.

youdao