文件移动以及重命名

package com.coding;

import java.io.File;

public class Test23 {

    public static void main(String[] args) {

        String[] fileNameArr = {"01.jpeg", "02.jpeg", "03.jpeg", "04.jpeg", "05.jpeg"};

        Test23 test23 = new Test23();
        for (int i = 0; i < fileNameArr.length; i++) {
            test23.moveFile(fileNameArr[i]);
        }

    }

    private void moveFile(String fileName) {

        String oldFilePath = "D:\\test\\move01\\";
        String newFilePath = "D:\\test\\move02\\";

        File oldFile = new File(oldFilePath + fileName);

        String fileType = fileName.substring(fileName.lastIndexOf("."), fileName.length());
        String fileNameStr = fileName.substring(0, fileName.lastIndexOf("."));
        File newFile = new File(newFilePath + fileNameStr + "aaa" + fileType);

        oldFile.renameTo(newFile);

    }
}