i am getting this problem while running my program. Please help. The error report points at line no 17.

import java.io.*;

public class Rename{

public static void main(String args[]){
File dir=new File("C:\\irla_ pdf\\eme\\MPS_P dfs_10_2011"); //enter the location where mps pdf files are kept
String [] fname=dir.list( );
if(fname==null)
System.out.prin tln("no files");...