字符缓冲流复制java文件

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:Users86132IdeaProjectsjavaSE_CodemyIOstreamsrccomioliushuaishuaiStringDemo.java"));

        //创建字符缓冲流输出流对象
        BufferedWriter bw = new BufferedWriter(new FileWriter("myIOstreamcopy02.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,len);

        }


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

    }
}