字符缓冲流复制java文件

Posted 2022-09-05 lsswudi

package com.io.liushuaishuai;

import java.io.*;

public class copyjavaDemo01 
    public static void main(String[] args) throws IOException 
        //创建字符缓冲输入流对象
        BufferedReader br = new BufferedReader(new FileReader("C:\\Users\\86132\\IdeaProjects\\javaSE_Code\\myiostream\\src\\com\\io\\liushuaishuai\\StringDemo.java"));

        //创建字符缓冲流输出流对象
        BufferedWriter bw = new BufferedWriter(new FileWriter("myIOstream\\copy02.java"));
        //一次读取一个字符
//        int i;
//        while ((i = br.read()) != -1) 
//            bw.write(i);
//        
//        一次读取一个字符数组
        char[] ch = new char[1024];
        int len;
        while ((len = br.read(ch)) != -1) 
            bw.write(ch, 0, len);

        


        //释放资源
        bw.close();
        br.close();