递归法获取目录中的目录

package com.king.coding;

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

/**
 * 递归法，获取文件夹中的文件
 * @author Administrator
 *
 */
public class JavaFilter implements FilenameFilter {
    public static final String ROOT_PATH = "E:/j2ee/web开发/student/";

    public static void main(String[] args) {
        List<File> files = refreshFile(ROOT_PATH);
        for(File file:files){
            System.out.println(file.getName());
        }
    }
    
    static List<File> allFiles = new ArrayList<File>();
    public static List<File> refreshFile(String path){
        File file = new File(path);
        File[] files = file.listFiles();
        if(null==files)
            return null;
        
        for(int i = 0;i<files.length;i++){
            if(files[i].isDirectory()){
                refreshFile(files[i].getAbsolutePath());        //注意这里的递归方法 
            }else{
                if(files[i].getName().endsWith(".java"))
                    allFiles.add(files[i]);
            }
        }
        return allFiles;
    }

    @Override
    public boolean accept(File dir, String name) {
        
        return false;
    }
    
    
    
}