工作总结 CTO（张王岩） File构造器

 import java.io.File;

 /**
  * 构建File对象
  * @author Allen17805272076
  *
  */
 public class FileDemo2 {
     public static void main(String[] args) {
         String path="C:/web/workspace/IO-study/src/userImg.GIF";
         //1、构建File对象
         File src = new File(path);
         System.out.println(src.length());

         //2、构建File对象
         src=new File("C:/web/workspace/IO-study/src/","userImg.GIF");
         System.out.println(src.length());

         //3、构建File对象

         src=new File(new File("C:/web/workspace/IO-study/src/"),"userImg.GIF");
     }

 }