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BufferedOutputStream |

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# InputStream 装饰类,带缓冲区的流

# 构造

BufferedOutputStream(OutputStream out)

BufferedOutputStream(OutputStream out, int size)

* 创建具有指定缓冲区大小的 BufferedOutputStream 并保存其参数，即输出流 out，以便将来使用。

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方法/字段 |

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void flush()

* 刷新此缓冲的输出流。

void write(byte[] b);

* 写入整个字节数组

void write(byte[] b, int off, int len)

* 将指定 byte 数组中从偏移量 off 开始的 len 个字节写入此缓冲的输出流。

void write(int b)

* 写入一个字节

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静态方法/字段 |

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Demo |

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# 文件字节流输出的 Buffer 装饰流,带缓冲区的,可以提高效率

FileOutputStream fileOutputStream = new FileOutputStream("E:\\IOTEST.java");

BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(fileOutputStream,1024);

bufferedOutputStream.write(new String("余文朋").getBytes());

bufferedOutputStream.flush();

bufferedOutputStream.close();