java非递归列出目录下文件，java非递归列出,import java.

java非递归列出目录下文件，java非递归列出,import java.

import java.io.*;import java.util.*;public class listdir{public static void listfile(String file){LinkedList<String> folderList = new LinkedList<String>(Arrays.asList(file));while (folderList.size() > 0) {    File[] files = new File((String)folderList.poll()).listFiles();    for (int i = 0; i < files.length; i++) {        if (files[i].isDirectory())            folderList.add(files[i].getPath());        else            System.out.println(files[i]);    }}}}