Java I / O流;有什么区别？

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java.io 有许多不同的我/ O 流，（FileInputStream，FileOutputStream，FileReader，FileWriter，BufferedStreams ......等），我很困惑，确定它们之间的差异。有哪些例子，其中一种流类型优先于另一种流类型，它们之间的真正区别是什么？

java.io has many different I/O streams, (FileInputStream, FileOutputStream, FileReader, FileWriter, BufferedStreams... etc.) and I am confused in determining the differences between them. What are some examples where one stream type is preferred over another, and what are the real differences between them?

推荐答案

这是一个大话题！我建议你先阅读 I / O Streams ：

This is a big topic! I would recommend that you begin by reading I/O Streams:

I / O流表示输入源或输出目标。 流可以代表许多不同的种源和目的地，包括磁盘文件，设备，其他程序和内存阵列。

An I/O Stream represents an input source or an output destination. A stream can represent many different kinds of sources and destinations, including disk files, devices, other programs, and memory arrays.

Streams支持许多不同种类的数据，包括简单字节，原始数据类型，本地化字符和对象。一些流只传递数据;其他人操纵并以有用的方式转换数据。

Streams support many different kinds of data, including simple bytes, primitive data types, localized characters, and objects. Some streams simply pass on data; others manipulate and transform the data in useful ways.