import java.io.*;
//Ova e rekurzija
public class solution {
		public static void main(String[] args) {
			File folder = new File("C:\\Users\\xxx\\Desktop\\UTP");
			showFiles(folder);
		}

		public static void showFiles (File folder)
		{
			File [] listOfFiles = folder.listFiles();
			for(int i=0;i<listOfFiles.length;i++)
			{
				if(listOfFiles[i].isDirectory())
				{
					System.out.println(listOfFiles[i].toString());
					showFiles(listOfFiles[i]);
				}
				else
				{
					System.out.println(listOfFiles[i].toString());
				}
			}
		}

}