Java Examples - Empty Directory

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Problem Description:

How to get the fact that a directory is empty or not?

Solution:

Following example gets the size of a directory by using file.isDirectory(),file.list() and file.getPath() methods of File class.

import java.io.File;

public class Main {
   public static void main(String[] args) {
      File file = new File("/data");
      if (file.isDirectory()) {
         String[] files = file.list();
         if (files.length > 0) {
            System.out.println("The " + file.getPath() +
            " is not empty!");
         }
      }
   }
}

Result:

The above code sample will produce the following result.

The D://Java/file.txt is not empty!


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