字符流实现文本文件的拷贝处理

package com.yqq.app6;

import java.io.FileReader;
import java.io.FileWriter;

/**
 * @Author yqq
 * @Date 2021/11/12 23:33
 * @Version 1.0
 */
public class FileCopyTools {
    public static void main(String[] args) {
        FileReader fr =null;
        FileWriter fw =null;
        try {
            fr = new FileReader("E:/pic/z2.txt");
            fw = new FileWriter("E:/pic/z3.txt");
            char[] buff = new char[1024];
            int temp = 0;
            while ((temp= fr.read(buff))!=-1){
                fw.write(buff,0,temp);
                fw.flush();
            }
        }catch (Exception e){
            e.printStackTrace();
        }finally {
            try {
                if(fr!=null){
                    fr.close();
                }
                if(fw!=null){
                    fw.close();
                }
            }catch (Exception e){
                e.printStackTrace();
            }
        }
    }
}