replace useless stringbuffer with string

mymbrooks · Nov 23, 2014 · c1b2266 · c1b2266
1 parent 1673c99
commit c1b2266
Showing 1 changed file with 3 additions and 9 deletions.
diff --git a/src/main/java/net/sourceforge/pinyin4j/PinyinFormatter.java b/src/main/java/net/sourceforge/pinyin4j/PinyinFormatter.java
@@ -141,15 +141,9 @@ private static String convertToneNumber2ToneMark(final String pinyinStr) {
 
           char markedVowel = allMarkedVowelStr.charAt(vowelLocation);
 
-          StringBuffer resultBuffer = new StringBuffer();
-
-          resultBuffer.append(lowerCasePinyinStr.substring(0, indexOfUnmarkedVowel).replaceAll("v",
-              "ü"));
-          resultBuffer.append(markedVowel);
-          resultBuffer.append(lowerCasePinyinStr.substring(indexOfUnmarkedVowel + 1,
-              lowerCasePinyinStr.length() - 1).replaceAll("v", "ü"));
-
-          return resultBuffer.toString();
+            return lowerCasePinyinStr.substring(0, indexOfUnmarkedVowel).replaceAll("v",
+                    "ü") + markedVowel + lowerCasePinyinStr.substring(indexOfUnmarkedVowel + 1,
+                    lowerCasePinyinStr.length() - 1).replaceAll("v", "ü");
 
         } else
         // error happens in the procedure of locating vowel