Java Example - Print Directory Structure

/* author by w3cschool.cc FileUtil.java */import java.io.File;import java.io.IOException;public class FileUtil { public static void main(String[] a)throws IOException{ showDir(1, new File("d:\\Java")); } static void showDir(int indent, File file) throws IOException { for (int i = 0; i < indent; i++) System.out.print('-'); System.out.println(file.getName()); if (file.isDirectory()) { File[] files = file.listFiles(); for (int i = 0; i < files.length; i++) showDir(indent + 4, files[i]); } }}