import?java.util.*;

public?class?BayesianSpamChecker?{
????public?BayesianSpamChecker（Hashtable?wordProbabilities）?{
????????this.wordProbabilities?=?wordProbabilities;
????}

????public?float?probabilityOfSpam（String?text）?throws?Exception?{
????????Vector?words?=?Tokenizer.getTokens（text）;
????????double?probs?=?1?probs_minus_one?=?1;
????????HashSet?set?=?new?HashSet（）;
????????for?（int?i?=?0;?i?????????????interesting[i]?=?-1;
????????????wrds[i]?=?““;
????????}
????????//?get?unique?words:
????????for?（int?i?=?0?size?=?words.size（）;?i?????????????set.add（words.get（i））;
????????}
????????Iterator?iter?=?set.iterator（）;
????????while?（iter.hasNext（））?{
????????????String?w?=?（String）?iter.next（）;
????????????float?f?=?0.5f;
????????????Float?ff?=?（Float）?wordProbabilities.get（w）;
????????????if?（ff?!=?null）?{
????????????????f?=?ff.floatValue（）;
????????????}
????????????float?interest?=?Math.abs（f?-?0.5f）;
????????????//?see?if?this?word?is?more?interesting?than?on?of?the?15:
????????????//?first?find?the?smallest?value?to?replace?（if?it?is?smaller?than?the
????????????//?value?in?‘interest‘:
????????????float?minVal?=?9999;
????????????int?minIndex?=?0;
????????????for?（int?i?=?0;?i?????????????????if?（minVal?>?interesting[i]）?{
????????????????????minVal?=?interesting[i];
????????????????????minIndex?=?i;
????????????????}
????????????}
????????????//System.out.println（“w=“+w+“?minVal=“+minVal+“?minIndex=“+minIndex）;
????????????if?（interest?>?minVal）?{
????????????????interesting[minIndex]?=?interest;
????????????????wrds[minIndex]?=?w;
????????????}
????????}
????????for?（int?i?=?0;?i?????????????if?（interesting[i]?????????????Float?ff?=?（Float）?wordProbabilities.get（wrds[i]）;
????????????if?（ff?!=?null）?{
????????????????float?f?=?ff.floatValue（）;
????????????????//System.out.println（“word:?“?+?wrds[i]?+?“?interest:?“?+?interesting[i]?+?“?spam?prob:?“?+?f）;
????????????????probs?*=?f;
????????????????probs_minus_one?*=?（1?-?f）;
????????????}
????????}

????????//if?（Math.abs（f?-?0.5f）?>?0.05f）?{
????????//????probs?*=?f;
????????//????probs_minus_one?*=?（1?-?f）;
????????//}
????????return?（float）?（probs?/?（probs?+?probs_minus_one））;
????}

????private?Hashtable?wordProbabilities;

????float[]?interesting?=?new?float[15];
????String[]?wrds?=?new?String[15];
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2005-10-31?23:09??src\
?????目錄???????????0??2005-07-04?23:15??src\search\
?????目錄???????????0??2005-07-04?23:15??src\search\statespace\
?????目錄???????????0??2005-07-04?23:15??src\search\statespace\mazeexample\
?????文件????????2592??2000-01-26?17:53??src\search\statespace\mazeexample\AbstractSearchEngine.java
?????文件????????3750??2000-06-21?02:17??src\search\statespace\mazeexample\BreadthFirstSearchEngine.java
?????文件????????1332??2000-06-21?02:33??src\search\statespace\mazeexample\DepthFirstSearchEngine.java
?????文件????????2217??2002-01-20?01:59??src\search\statespace\mazeexample\Maze.java
?????文件????????3184??2002-01-20?01:59??src\search\statespace\mazeexample\MazeBreadthFirstSearch.java
?????文件????????3303??2002-01-20?01:59??src\search\statespace\mazeexample\MazeDepthFirstSearch.java
?????目錄???????????0??2005-07-04?23:15??src\search\statespace\graphexample\
?????文件????????2732??2002-01-20?02:44??src\search\statespace\graphexample\AbstractGraphSearch.java
?????文件????????2773??2002-01-20?02:44??src\search\statespace\graphexample\AbstractGraphSearch.java~
?????文件????????2928??2002-01-20?02:44??src\search\statespace\graphexample\BreadthFirstSearch.java
?????文件????????2969??2002-01-20?02:44??src\search\statespace\graphexample\BreadthFirstSearch.java~
?????文件????????2885??2002-01-20?02:44??src\search\statespace\graphexample\DepthFirstSearch.java
?????文件????????2926??2002-01-20?02:44??src\search\statespace\graphexample\DepthFirstSearch.java~
?????文件????????3209??2002-01-20?02:44??src\search\statespace\graphexample\GraphBreadthFirstSearch.java
?????文件????????3342??2002-01-20?02:44??src\search\statespace\graphexample\GraphBreadthFirstSearch.java~
?????文件????????3193??2002-01-20?02:44??src\search\statespace\graphexample\GraphDepthFirstSearch.java
?????文件????????3326??2002-01-20?02:44??src\search\statespace\graphexample\GraphDepthFirstSearch.java~
?????目錄???????????0??2005-07-04?23:15??src\search\games\
?????文件?????????272??2000-06-01?21:13??src\search\games\Chess$aMove.class
?????文件????????7123??2000-06-01?21:13??src\search\games\Chess.class
?????文件???????17259??2000-06-01?21:13??src\search\games\Chess.java
?????文件?????????212??2000-05-30?22:27??src\search\games\ChessMove.class
?????文件??????????84??2000-05-30?21:34??src\search\games\ChessMove.java
?????文件?????????889??2000-05-30?22:27??src\search\games\ChessPosition.class
?????文件?????????681??2000-05-30?21:38??src\search\games\ChessPosition.java
?????文件????????2558??2000-05-30?22:27??src\search\games\GameSearch.class
?????文件????????4802??2000-05-30?20:27??src\search\games\GameSearch.java
............此處省略147個文件信息