Correct version of directory walker.

WalkDir.java

package je3.io;

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

/**
 * Created by IDEA on 31/01/15.
 */
public class WalkDir {
    private List<File> recursiveList = new ArrayList<File>();

    public void walkDir(String pathname) {
        File d = new File(pathname);
        recursiveList.add(d);
        if(d.isDirectory()) {
            for(String f : d.list()) {
                walkDir(f);
            }
        }
    }

    public List<File> getRecursiveList() {
        return recursiveList;
    }

    public static void main(String[] args) {
        WalkDir dirWalker = new WalkDir();
        dirWalker.walkDir("/tmp");
        dirWalker.getRecursiveList().forEach(System.out::println);
    }
}