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  • java——IObufferedReader文件输入输出流

    package com.jredu.ch02_lianxi;

    import java.io.BufferedReader;
    import java.io.BufferedWriter;
    import java.io.File;
    import java.io.FileNotFoundException;
    import java.io.FileReader;
    import java.io.FileWriter;
    import java.io.IOException;

    public class BufferedReaderTest {

    public static void main(String[] args) {
    BufferedReader br = null;
    BufferedWriter bw = null;
    StringBuffer sb = new StringBuffer();
    try {
    br = new BufferedReader(new FileReader(new File("e:\IO练习专用\qwer.txt")));
    bw = new BufferedWriter(new FileWriter(new File("e:\IO练习专用\lianxi.txt")));
    int i = 0;
    while ((i = br.read())!=-1) {
    char ch = (char) i;
    sb.append(ch);
    }
    System.out.println(sb.toString());
    bw.write(sb.toString());
    } catch (FileNotFoundException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
    } catch (IOException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
    } finally {
    try {
    bw.flush();
    bw.close();
    br.close();
    } catch (IOException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
    }
    }



    }

    }

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  • 原文地址:https://www.cnblogs.com/ye34166684/p/5794746.html
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