博客
关于我
Day53.File类的实例化 -Java常用类、集合、IO#
阅读量:334 次
发布时间:2019-03-04

本文共 1184 字,大约阅读时间需要 3 分钟。

Java File????????Java??????????????????????File????????????????????File???????????

File???java.io???????????????????????????????????File?????????????????????????IO???

1. ??File??

File???????????????

  • ???????File(String filePath)
    ???????????????????File????????????????????????????????????????????
    • Windows???????\\
    • Unix????URL??????/

???

File file1 = new File("Hello.txt"); // ????File file2 = new File("D:\\Note\\src\\com\\he.txt"); // ????
  • ????????File(String parentPath, String childPath)
    ??????????????????????????????????
File file3 = new File("D:\\Note\\src", "com");
  • ????????File(File parent, String childPath)
    ??????File?????????????????????????
File file4 = new File(file3, "he.txt");

2. ????

???File?????????????

  • ??????????????File????????????????????

    ?IDEA???????????????Module????????????????????
    ?Eclipse??????????????????????????????

  • ????????????????D:\????????http://www.example.com????????????????

3. ?????

??????????????????

  • Windows????????\\
    ???D:\MyFolder\MyFile.java
  • Unix???????/
    ???/home/user/MyFolder/MyFile.java
  • URL???????????????URL?????????????/

????????Java??File?????????????????????????????????????????????

???????????????????????File??????????Java??????????

转载地址:http://cuoq.baihongyu.com/

你可能感兴趣的文章
NOTE:rfc5766-turn-server
查看>>
Notepad ++ 安装与配置教程(非常详细)从零基础入门到精通,看完这一篇就够了
查看>>
Notepad++在线和离线安装JSON格式化插件
查看>>
notepad++最详情汇总
查看>>
notepad++正则表达式替换字符串详解
查看>>
notepad如何自动对齐_notepad++怎么自动排版
查看>>
Notes on Paul Irish's "Things I learned from the jQuery source" casts
查看>>
Notification 使用详解(很全
查看>>
NotImplementedError: Cannot copy out of meta tensor; no data! Please use torch.nn.Module.to_empty()
查看>>
NotImplementedError: Could not run torchvision::nms
查看>>
nova基于ubs机制扩展scheduler-filter
查看>>
Now trying to drop the old temporary tablespace, the session hangs.
查看>>
nowcoder—Beauty of Trees
查看>>
np.arange()和np.linspace()绘制logistic回归图像时得到不同的结果?
查看>>
np.power的使用
查看>>
NPM 2FA双重认证的设置方法
查看>>
npm build报错Cannot find module ‘webpack/lib/rules/BasicEffectRulePlugin‘解决方法
查看>>
npm build报错Cannot find module ‘webpack‘解决方法
查看>>
npm ERR! ERESOLVE could not resolve报错
查看>>
npm ERR! fatal: unable to connect to github.com:
查看>>