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package io;

import java.io.BufferedInputStream;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.InputStream;

/**

* 缓存字节输入流

*/

public class BufferedInputStreamDemo {

public static void main(String[] args) {

read();

}

public static void read() {

try {

InputStream in = new FileInputStream(new File("d:/test.txt"));

// 将字节输入流转成缓存字节输入流

BufferedInputStream bis = new BufferedInputStream(in);

byte[] bytes = new byte[1024];

int len = -1;

StringBuilder sb = new StringBuilder();

while ((len = bis.read(bytes)) != -1) {

sb.append(new String(bytes, 0, len));

}

bis.close();

in.close();

System.out.println(sb);

} catch (FileNotFoundException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

}

}