Nikos Maravitsas

About Nikos Maravitsas

Nikos has graduated from the Department of Informatics and Telecommunications of The National and Kapodistrian University of Athens. Currently, his main interests are system’s security, parallel systems, artificial intelligence, operating systems, system programming, telecommunications, web applications, human – machine interaction and mobile development.

How to Create Directory in Java Example

Following the “How to create file in Java Example“, in this example we are going to see how to create a new Directory/Folder in your file system with Java.

As you might have noticed, Java offers a very rich I/O API. So. it is fairly easy to create a Directory in Java.

1. Create a single Directory

Let’s see how you can use a single Directory using File utility class.
 
 

CreateDirectoryExample.java:

package com.javacodegeeks.core.io;

import java.io.File;

public class CreateDirectoryExample {
	
	private static final String FOLDER ="F:\\nikos7\\Desktop\\testFiles\\newFolder";

	public static void main(String[] args) {
		
		File newFolder = new File(FOLDER);
		
		boolean created =  newFolder.mkdir();
		
		if(created)
			System.out.println("Folder was created !");
		else
			System.out.println("Unable to create folder");
	}
}

2. Create a Directory path

You can also use File class to create more than one directories at a time. Like this :

CreateDirectoryExample.java:

package com.javacodegeeks.core.io;

import java.io.File;

public class CreateDirectoryExample {
	
	private static final String FOLDER ="F:\\nikos7\\Desktop\\testFiles\\Afolder\\inA\\inB\\inC";

	public static void main(String[] args) {
		
		File newFolder = new File(FOLDER);
		
		boolean created =  newFolder.mkdirs();
		
		if(created)
			System.out.println("Folder was created !");
		else
			System.out.println("Unable to create folder");
	}
}

You can see I’m using mkdirs() method instead of mkdir() of the previous snippet. With mkdirs() you are able to create all non-existent parent folders of the leaf-folder in your path. In this specific example folders Afolder, inA, inB, inC where created.

Download Source Code

This was an example on how to create Directory in Java. You can download the source code of this example here: CreateDirectoryExample.zip

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