/*

     使用递归找出某目录("C:\\JavaProducts")下的所有子目录以及子文件

 */

 import java.util.*;

 import java.io.*;

 public class FileRecursionPrintDemo{

     public static void main(String[] args){

         List<String> paths = new ArrayList<String>();

         paths = getAllFilePaths(new File("C:\\JavaProducts"),paths);

         for(String path:paths){

             System.out.println(path);

         }

     }

     private static List<String> getAllFilePaths(File filePath,List<String> filePaths){

         File[] files = filePath.listFiles();

         if(files == null){

             return filePaths;

         }

         for(File f:files){

             if(f.isDirectory()){

                 filePaths.add(f.getPath());

                 getAllFilePaths(f,filePaths);

             }else{

                 filePaths.add(f.getPath());

             }

         }

         return filePaths;

     }

 }