1 package test; 2 /* 3  * 打印 指定目录下和子目录下的的所有.java文件的路径. 4  * */ 5 import java.io.*; 6 import java.util.*; 7  8 public class Test14 9 {10     public static void main(String[] args)11     {12         File dir = new File("C:\\Users\\Dell\\Workspaces\\MyEclipse 10");13         List<File> list = new ArrayList<File>();14         FileFilter filefilter = new FileFilter()15         {16             public boolean accept(File pathname)17             {18                 if (pathname.getName().endsWith(".java"))19                     return true;20                 if (pathname.isDirectory())21                     return true;22                 else23                     return false;24             }25         };26         method(dir.listFiles(filefilter), list, filefilter);27         for (File file : list)28             System.out.println(file);29     }30     public static void method(File[] files, List<File> list, FileFilter filefilter)31     {32         for (File f : files)33         {34             if (f.isDirectory())35                 method(f.listFiles(filefilter), list, filefilter);36             else37                 list.add(f);38         }39     }40 }