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fixed description of [OutputStreamWriter]

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Jin Shuai 2020-04-06 20:54:01 +08:00 committed by GitHub
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notes/Java IO.md
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@ -146,7 +146,8 @@ byte[] bytes = str1.getBytes();
不管是磁盘还是网络传输，最小的存储单元都是字节，而不是字符。但是在程序中操作的通常是字符形式的数据，因此需要提供对字符进行操作的方法。
- InputStreamReader 实现从字节流解码成字符流；
- OutputStreamWriter 实现字符流编码成为字节流。
- OutputStreamWriter 实现从字节流解码成字符流；
> `InputStreamReader`和`OutputStreamWriter`分别继承自`Reader`和`Writer`。各自的构造函数参数类型分别是`InputStream`和`OutputStream`。
## 实现逐行输出文本文件的内容