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Example analysis of java folder operations

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Release: 2023-04-18 12:07:04
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Folder operation

package com.file; import java.io.File; /** * Created by elijahliu on 2017/2/11. */ public class HelloFolder { public static void main(String[] args) { File folder = new File("my new folder"); if (folder.mkdir()) {//创建文件夹 判断是否成功 System.out.println("文件夹创建完成"); File newfolder = new File("myn new foleder - new"); folder.renameTo(newfolder);//这里重命名了文件夹 文件夹的重命名是可以单独更改一级的文件夹名的 而这一级下面的文件夹不变 保存目录结构 if (folder.delete()) { System.out.print("done");//这里的删除只能删除空文件夹,如果文件夹中有东西,那么则不能删除,不问三七二十一直接删除一个非空文件夹是非常不负责任的 } else { System.out.println("fail"); } }else{ if (folder.exists()) { System.out.println("文件夹已经存在不用创建"); }else{ System.out.println("文件夹创建失败"); } } File folders = new File("my new folder/one/two/three/main"); folders.mkdirs();//在java中用mkdir只能创建一个,mkdirs可以创建多级目录 } }
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