package com.bwie.io;

 import java.io.File;

 public class FileDemo4 {

     /**文件字节数

      * length():字节数  文件夹 0

      *

      */

     public static void main(String[] args) {

     String path="src/userImg.GIF";

     File src = new File(path);

     System.out.println(src.length());

     String path2="src";

     File src2 = new File(path);

     System.out.println(src2.length());

     }

 }