How to traverse a directory structure in Java

the program will traverse the given directory and print out all the directories and files absolute path and name one by one.

import java.io.File;
  
public class DisplayDirectoryAndFile{
 
	public static void main (String args[]) {
  
		displayIt(new File("C:\\Downloads"));
 	}
 
	public static void displayIt(File node){
  
		System.out.println(node.getAbsoluteFile());
  
		if(node.isDirectory()){
 			String[] subNote = node.list();
 			for(String filename : subNote){
 				displayIt(new File(node, filename));
 			}
		}
 
	}
}