How to check if directory is empty in Java

Here is a simple example how to check if a directory is empty in Java.

Example

The example is using list() method of File class.

package com.admfactory.io;

import java.io.File;

public class DirectoryCheck {
    public static void main(String[] args) {
	System.out.println("Check Directory Example");
	System.out.println();
	File file = new File("D:\\admfactory.com\\dir1");
	if (file.isDirectory()) {
	    if (file.list().length > 0) {
		System.out.println("Directory '" + file.getAbsolutePath() + "' is not empty!");
	    } else {
		System.out.println("Directory '" + file.getAbsolutePath() + "' is empty!");
	    }
	} else {
	    System.out.println("'" +file.getAbsolutePath() + "' is not a directory");
	}
    }
}

Output

Check Directory Example

Directory 'D:\admfactory.com\dir1' is not empty!

References

• File