Java : Parsing directory and sub-directory to check for files of a particular type

Description : I am trying to parse my main directory to find all the files of type ".jpg" and my code is able to return all the files that are needed. example "C:RaviSources", in this directory i have mixed files of .xml, .jpg, .gif, now i am also having sub folders inside this directory but i don't know how to modify my code to check for sub-directories as well.

Expertise help is required here :

Code Snippet :

enter code here




import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
import java.awt.image.BufferedImage;

import javax.imageio.ImageIO;
import java.io.PrintStream;


public class Subdirectory {

    static File f = new File("C:\Users\kasharma\Desktop\Travelocity R8.3_8.3.0.apk\res");// File f will represent the folder....

static String[] extensions = new String[]{"png", "jpg", "gif" };  // Declaring array of supported filters...



// Applying filter to identify images based on their extensions...

static FilenameFilter Image_Filter = new FilenameFilter() {
    public boolean accept(File f, String name)
    {
        for(String ext: extensions){
            if(name.endsWith("."+ ext)){
                return(true);
            }
        }
        return(false);
    }
    };

    public static void goThroughDirectories(String path)
    {

        }

    public static void main(String[] args) {

          String path = "C:\Users\kasharma\Desktop\Travelocity R8.3_8.3.0.apk\res";


            for (File file : f.listFiles(Image_Filter)) 
                {
                if (f.isDirectory()) goThroughDirectories(path+f.getName());

                BufferedImage img = null;

                try {
                    img = ImageIO.read(file); 
                    System.out.println("image "+ file.getName());
                } catch (IOException e) {
                    // handle errors here
                }

        }
        }
    }