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

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

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!");
         }
      }
   }
}

The above code sample will produce the following result.

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

The following is another sample example of that a directory is empty or not in java

import java.io.File;

public class CheckEmptyDirectoryExample { 
   public static void main(String[] args) {
      File file = new File("C:\\New folder");
      if(file.isDirectory()){
         if(file.list().length > 0) { 
            System.out.println("Directory is not empty!");
         } else {
            System.out.println("Directory is empty!");
         } 
      } else { 
         System.out.println("This is not a directory");
      } 
   }
}

The above code sample will produce the following result.

Directory is empty!

java_directories.htm

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