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/*
* 功能：缓存字符流基本用法,缓存字符流可以读取更多的字符，提高读取写入效率
*/
package com.bj.io;
import java.io.*;
public class BufferStream_t {
public static void main(String[] args) {
// TODO Auto-generated method stub
BufferedReader br=null;
BufferedWriter bw=null;
try {
//先创建FileReader
FileReader fr=new FileReader("D:/www/test.txt");
br=new BufferedReader(fr);
//创建FileWriter对象
FileWriter fw=new FileWriter("D:/www/test_back_buff.txt");
bw=new BufferedWriter(fw);
String s="";
//循环读取文件
while(null!=(s=br.readLine())){
fw.write(s+"\r\n");
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
try {
br.close();
bw.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}