Here’s an example to check if a directory is empty.

Example

package com.mkyong.file;
 
import java.io.File;
 
public class CheckEmptyDirectoryExample
{
    public static void main(String[] args)
    {	
 
	File file = new File("C:\\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");
 
	}
    }
}
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