unicode编码转汉字

               }
               unicodeBytes = unicodeBytes + "\u" + hexB;
          }
          System.out.println("unicodeBytes is: " + unicodeBytes);
return unicodeBytes;
      }

//Unicode转中文
      public static String decodeUnicode(final String dataStr) {
         int start = 0;
         int end = 0;
         final StringBuffer buffer = new StringBuffer();
         while (start > -1) {
             end = dataStr.indexOf("\u", start + 2);
             String charStr = "";
             if (end == -1) {
                 charStr = dataStr.substring(start + 2, dataStr.length());
             } else {
                 charStr = dataStr.substring(start + 2, end);
             }
             char letter = (char) Integer.parseInt(charStr, 16); // 16进制parse整形字符串。
             buffer.append(new Character(letter).toString());
             start = end;
         }
         return buffer.toString();
      }