字节流复制Java文件

package com.czie.iot1913.lps.IO.OutpurStream;

import java.io.*;

/**
 * FileName: CopyJavaDemo
 * Author:   lps
 * Date:     2022/3/26 14:50
 * Sign:刘品水 Q：1944900433
 */
public class CopyJavaDemo {
 public static void main(String[] args) throws IOException {
  InputStreamReader isr = new InputStreamReader(new FileInputStream("F:\\JavaCode\\ConversionStreamDemo.java"));

  OutputStreamWriter osw = new OutputStreamWriter(new FileOutputStream("F:\\JavaCode\\Copy.java"));

  char[] chars = new char[1024];
  int len;
  while((len=isr.read(chars))!=-1){
   //System.out.println(new String(chars,0,len));
   osw.write(chars,0,len);
  }
  isr.close();
  osw.close();


 }
}