add solution for hw4:3435

java/wordStat/WordStatLengthSuffix.java

@@ -27,12 +27,15 @@ public class WordStatLengthSuffix {
         } else {
           if (sb.length() > 0) {
             String word = sb.toString().toLowerCase();
+            if (word.length() != 1) {
+              word = word.substring(word.length() / 2);
               if (wordMap.containsKey(word)) {
                 wordMap.get(word).count++;
               } else {
                 wordMap.put(word, new WordInfo(word, 1, wordIndex));
                 wordIndex++;
               }
+            }
             sb.setLength(0);
           }
         }
@@ -59,9 +62,7 @@ public class WordStatLengthSuffix {
       PrintWriter writer = new PrintWriter(outputFileName, "UTF-8");
       
       for (WordInfo info : sortedWords) {
-        if (info.word.length() != 1) {
-          writer.println(info.word.substring(info.word.length() / 2) + " " + info.count);
-        }
+        writer.println(info.word + " " + info.count);
       }
 
       writer.close();