How to read a files in directory and its subdirectories

Question

I wants to read all files in directory, its subdirectory and further till end the files in the subdirectory of subdirectories.
I have some idea the I can do this by using recursive function, using the functions isDirectory(), File.list() etc.
How much you can please help me. (via code of logic)

Answer 1

import java.io.*;
import java.net.*;
public class MyCon
public static void main(String args[]) throws
IOException
File file=new File("c:/");
openDirectory(file,"");
System.in.read();
static void openDirectory(File file,String indent)
String[] string=file.list();
String path=file.getAbsolutePath();
for(int i=0;i<string.length;i++)
File temp=new File(path+"/"+string);
if(temp.isDirectory())
openDirectory(temp,indent+" ");
else
System.out.println(indent+temp.getName());