[英]How to create a folder in Java?
如何在 Java 中创建一个空文件夹?
File f = new File("C:\\TEST");
try{
if(f.mkdir()) {
System.out.println("Directory Created");
} else {
System.out.println("Directory is not created");
}
} catch(Exception e){
e.printStackTrace();
}
调用File.mkdir
,像这样:
new File(path).mkdir();
With Java 7 and newer you can use the static Files.createDirectory() method of the java.nio.file.Files
class along with Paths.get
.在 Java 7 和更新版本中,您可以将java.nio.file.Files
类的静态Files.createDirectory()方法与Paths.get
一起使用。
Files.createDirectory(Paths.get("/path/to/folder"));
The method Files.createDirectories() also creates parent directories if these do not exist.如果这些不存在,方法Files.createDirectories()也会创建父目录。
使用mkdir()
:
new File('/path/to/folder').mkdir();
Use the mkdir method on the File class:在 File 类上使用 mkdir 方法:
https://docs.oracle.com/javase/1.5.0/docs/api/java/io/File.html#mkdir%28%29 https://docs.oracle.com/javase/1.5.0/docs/api/java/io/File.html#mkdir%28%29
Using Java 8:使用 Java 8:
Files.createDirectories(Paths.get("/path/to/folder"));
Same:相同的:
new File("/path/to/folder").mkdirs();
Or或者
Files.createDirectory(Paths.get("/path/to/folder"));
Same:相同的:
new File("/path/to/folder").mkdir();
Better to use mkdirs
as:最好将mkdirs
用作:
new File("dirPath/").mkdirs();
mkdirs
: also create parent directories if these do not exist. mkdirs
:如果父目录不存在,也创建父目录。
ps: don't forget the ending /
that shows explicitly you want to make a directory. ps:不要忘记结尾/
明确显示您要创建目录。
The following code would be helpful for the creation of single or multiple directories:以下代码将有助于创建单个或多个目录:
import java.io.File;
public class CreateSingleOrMultipleDirectory{
public static void main(String[] args) {
//To create single directory
File file = new File("D:\\Test");
if (!file.exists()) {
if (file.mkdir()) {
System.out.println("Folder/Directory is created successfully");
} else {
System.out.println("Directory/Folder creation failed!!!");
}
}
//To create multiple directories
File files = new File("D:\\Test1\\Test2\\Test3");
if (!files.exists()) {
if (files.mkdirs()) {
System.out.println("Multiple directories are created successfully");
} else {
System.out.println("Failed to create multiple directories!!!");
}
}
}
}
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