1 /*
 2     使用递归找出某目录("C:\\JavaProducts")下的所有子目录以及子文件
 3 */
 4 
 5 import java.util.*;
 6 import java.io.*;
 7 
 8 public class FileRecursionPrintDemo{
 9     public static void main(String[] args){
10         List<String> paths = new ArrayList<String>();
11         paths = getAllFilePaths(new File("C:\\JavaProducts"),paths);
12         for(String path:paths){
13             System.out.println(path);    
14         }
15     }
16     
17     private static List<String> getAllFilePaths(File filePath,List<String> filePaths){
18         File[] files = filePath.listFiles();
19         if(files == null){
20             return filePaths;    
21         }    
22         for(File f:files){
23             if(f.isDirectory()){
24                 filePaths.add(f.getPath());
25                 getAllFilePaths(f,filePaths);
26             }else{
27                 filePaths.add(f.getPath());
28             }    
29         }
30         return filePaths;
31     }
32 }