Method append

classpath/java/util/Properties.java:70–80

(int c)

    private StringBuilder current = null;

    private void append(int c) {
      if (current == null) {
        if (key == null) {
          current = key = new StringBuilder();
        } else {
          current = value = new StringBuilder();
        }
      }

      current.append((char) c);
    }

    private void finishLine(Map<String, Object> map) {
      if (key != null) {