code: private void outputStringUsage() {
      StringBuilder sb = new StringBuilder("Strings used more than once:\n");
      for (Entry<String, StringInfo> stringInfoEntry : stringInfoMap.entrySet()) {
        StringInfo info = stringInfoEntry.getValue();
        if (info.numOccurrences > 1) {
          sb.append(info.numOccurrences);
          sb.append(": ");
          sb.append(stringInfoEntry.getKey());
          sb.append('\n');
        }
      }
      // TODO(user): Make this save to file OR output to the application
      logger.fine(sb.toString());
    }
docs: Outputs a log of all strings used more than once in the code.