复制Java文件打印流改进版

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

import java.io.*;

/**
 * FileName: PrintStream
 * Author:   lps
 * Date:     2022/3/28 13:41
 * Sign:刘品水 Q：1944900433
 */
public class PrintStreamDemo001 {
    public static void main(String[] args) throws IOException {
      /*  BufferedReader br = new BufferedReader(new FileReader("F:\\JavaCode\\ConversionStreamDemo.java"));
        BufferedWriter bw = new BufferedWriter(new FileWriter("F:\\JavaCode\\Copy.java"));

        String line;
        while ((line= br.readLine())!=null){
            bw.write(line);
            bw.newLine();
            bw.flush();
        }
        br.close();
        bw.close();*/
        BufferedReader br = new BufferedReader(new FileReader("F:\\JavaCode\\ConversionStreamDemo.java"));
        PrintWriter pw = new PrintWriter(new FileWriter("F:\\JavaCode\\Copy.java"),true);
        String line;
        while ((line= br.readLine())!=null){
            pw.println(line);
        }
        br.close();
        pw.close();
    }
}