List only mp3 files in Java

 /*  
 This program will help you to display only Mp3 files in the given folder.   
 Author: Afiz  
 */  
 import java.io.File;  
 class ListMP3Files   
 {  
 public static void main(String[] args) // Main method   
      {  
       String path = ".."; // Directory path here  
       String files;  
       File folder = new File(path);  
       File[] listOfFiles = folder.listFiles(); // get files in the array   
  for (int i = 0; i < listOfFiles.length; i++)   
       {  
        if (listOfFiles[i].isFile())   
        {  
             files = listOfFiles[i].getName();  
          if (files.endsWith(".mp3") || files.endsWith(".MP3"))  
          {  
            System.out.println(files);  
           }  
        }  
      }  
      }  
 }