Test

import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;

class DirList {

    public static void main(String[] args) {
        int depth = 2;
        String rootPath = "C:\\";

        String list[] = new File(rootPath).list();

        File f = null;
        for (int i = 0; i < list.length; i++) {
            f = new File(rootPath + list[i]);

        if(depth > 0)
            if (f.isDirectory()) {
        for (File file2 : f.listFiles()) {
                    System.out.println(file2.toString());

               System.out.println(f.getName() + " is DIRECTORY");
                }
            } else if (f.isFile()) {
                System.out.println(f.getName() + " is FILE");
            }

        }

    }


}