Hashtable containsKey() problem when String key is read from a file - HELP

I'll try to be brief:
I open a .txt file of Unicode encoding (not ANSI) in order to fetch some info.
After I manipulate each line with splits etc I use a String as a key to a Hashtable.
The problem is that later inside my code, I try to check wether this key (and hence its corresponded value) exists and I get a false value from the containsKey() method.
and here's the code (I have embedded some comments //-type that address to this thread):
FileInputStream fis = new FileInputStream(initFilename);
InputStreamReader isr = new InputStreamReader(fis, "UTF-16");
BufferedReader br = new BufferedReader(isr);
lineText = loadSubiPhraseFilter(br);
//In the loadSubiPhraseFilter method
//parsing an input like this:
//δόξα τώ Θεώ,1:1,2:2
//Yeah, I know, its all greek to you ;)
//Thus we first split the line with ','
//we split the first token with ' ' and each one of the N words,
//serves as an index in a N-dimension hashtable
//This is achieved implicitly by adding another hashtable as a value to a String key etc...
//When all words are added, the hashtable which contains the last word is used
//to put another hashtable whose only key is the String "Index"
//which points to the rest of the data. The thing is, I never get that far...
//I dont get to even get a positive containsKey() when giving an inserted key at a later time
//here's the loading procedure
while((lineText = br.readLine()) != null && (lineText.charAt(0) != '#'))
     String [] info = lineText.split("[,]");
     /*Load subi indeces in a vector*/
     Integer [][] subiIndex = new Integer [info.length-1][2];// = new Vector<Integer>();
     for(int i = 1; i < info.length; i += 1)
          //load subiIndex here...
     /*Then fetch phrase to be modified and load its 'n' words in an n-dimesion hash which will utterly point to the subi indeces*/
     /*Starting from the last word, we put the index vector*/
     String [] word = info[0].split("[ ']+");
     Hashtable<String, Object> nextWord = new Hashtable<String, Object>();
     nextWord.put("Index", subiIndex);
     /*Then we create a chain of hash dimensions corresponding to phrase words*/
     for(int i = word.length-1; i >= 0; i -=1)
          Hashtable<String, Object> prevWord = new Hashtable<String, Object>();
          //Yeah, I even tried the .trim() method...
          prevWord.put(word.trim(), nextWord);
          nextWord = prevWord;
          System.out.print(word[i] + "<-");
     /*We update the hash head and also add the first word with its first letter capitalized as key pointing to the same next key in hash dimension chain*/
     subiPhraseFilter = nextWord;
     subiPhraseFilter.put((capitalMap.get(word[0].charAt(0))+word[0].substring(1)).trim(), subiPhraseFilter.get(word[0]));
     //The following debbuging print outs work just fine. Its only just later when I cant get a containsKey()...
     System.out.println("|| "+subiPhraseFilter);
     System.out.println("subiPhraseFilter.containsKey("+word[0]+"): "+subiPhraseFilter.containsKey(word[0]));
//Then the following code is executed
Integer [][] subiPhraseIndeces(String word1, String word2, String word3)
     String [] tmp = {word1, word2, word3};
     Hashtable<String, Object> dimension = subiPhraseFilter;
     //The following debbuging print out does NOT return true
     //even when I explicitly give a String key which I know it is inserted
     System.out.println("subiPhraseFilter.containsKey(" + tmp[0] + "): " + subiPhraseFilter.containsKey("ενλόγω".trim()));
     for(int i = 0; (i < tmp.length) && (tmp[i] != null) && dimension.containsKey(tmp[i]); i += 1)
          //This is NEVER executed...
          System.out.println(i + ": dimension.containsKey(" + tmp[i].trim() + ")");
          dimension = (Hashtable<String, Object>)dimension.get(tmp[i].trim());
          return (Integer [][])dimension.get("Index");
Whats most irritating is that this also happens arbitrarily in another place of my code where I load again info by using each line as a key to another Hashtable and, the containsKey() method returns true to all but one (!) line-words, even if I change its position in the file. I won't put the latter code here because its just very simple. (in case I wasnt clear I read a section of a file that looks like
wordA
wordB
wordC
wordN
each wordX is put as a key to a Boolean value and yet, containsKey(wordA) returns false even if i change the input file to
wordB
wordA
wordC
wordN
isn't that just peculiar?
A significant note in this problem is that I do not read english characters, rather than greek (hence the unicode filetype) which I put as keys to the hashtable; later I try to get corresponded values by fetching text (which I also manipulate) from a JTextfield, as key, and I'm afraid that maybe something is happening there.
However the code sample I added above didnt work even when I added an english word in the file and explicitly asked wether it is contained as a key...
Maybe I am doing something I really can't see right now...
Help would be appreciated

BalusC: "I would also not be surprised if that file is after all actually just UTF-8"
No, it's not cause I explictly saved the .txt file as Unicode in wordpad and NOT as UTF-8. By the way notepad has ANSI as its default save-type.
However I converted my input files to UTF-8 and read them using the "UTF-8" String flag in the constructor of the reader I was using. All the same.
EDIT: Not to metion, the UTF-8 file needed an empty line at the beggining or my parsing would skip the first line, messing everything up!
Just for the sake of it I will show the output of my program (redirected to a file cause cmd.exe does not support greek letters, or I didnt find a way to make it so):
(This is the output when I load from the UTF-8 file the word "ενλόγω" in my has as a key (pointing to a Boolean i think - it doesnt really matter). What I print is the key of each dimension of the hash -here there's only one dimension- and then I print the hash reference, i.e like a toString() representation. The result shows that the Hashtable contains at key "ενλόγω" a value which is another Hashtable which contains the key "Index" pointing to something you shouldnt care. The hash head also contains the key "Ενλόγω", which is actually the same as before only to have its first letter capitalized, which in turn points to a hash with one key etc...)
ενλόγω<-|| {ενλόγω={Index=[[Ljava.lang.Integer;@360be0}, Ενλόγω={Index=[[Ljava.lang.Integer;@360be0}}
subiPhraseFilter.containsKey(ενλόγω): true
(And later on I get a string from a JTextField I tokenize it and here's what I get when I reach the same word:)
(Don't mind "Checking: ..." its 'cause I check a window of three words in order to reach up to a 3-dimension hash key. Yet I dont even get the first key!)
Current token: 'ενλόγω'
Checking: ενλόγω, null, null
subiPhraseFilter.containsKey(ενλόγω): false
Now isn't that making one crazy?
Any other ideas?
Thnak you in advance!
P.S. In case that I haven't done something really stupid which is ommitted here and yet can't be tracked, I think the problem must be somewhere between the encoding of JTextField and the encoding I read...
P.S.2 Excuse me for saying hash instead of Hashtable sometimes in the above text
Edited by: M.M. on Sep 2, 2009 3:22 AM
Edited by: M.M. on Sep 2, 2009 3:23 AM

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