本地文件的copy复制

package testio;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Copy {
    public static void main(String[] args) {
        File file1 = new File("d:/folder01/file09.txt");
        File file2 = new File("d:/folder01/file10.txt");
        FileInputStream fis = null;
        InputStreamReader isr = null;
        BufferedReader br = null;
        BufferedWriter bw = null;
        OutputStreamWriter osw = null;
        FileOutputStream fos = null;
        try {
            fis = new FileInputStream(file1);
            isr = new InputStreamReader(fis);
            br = new BufferedReader(isr);

            fos = new FileOutputStream(file2);
            osw = new OutputStreamWriter(fos);
            bw = new BufferedWriter(osw);
            int data;
            while ((data = br.read()) != -1) {
                bw.write(data);
                bw.flush();
            }
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } finally {
            if (fis != null) {

                try {
                    fis.close();
                    isr.close();
                    br.close();
                    fos.close();
                    osw.close();
                    bw.close();
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
        }
    }
}