Method charAt

classpath/java/lang/String.java:501–512

(int index)

  }

  @Override
  public char charAt(int index) {
    if (index < 0 || index > length) {
      throw new StringIndexOutOfBoundsException(index);
    }

    if (data instanceof char[]) {
      return ((char[]) data)[index + offset];
    } else {
      return (char) ((byte[]) data)[index + offset];
    }
  }

  public String[] split(String regex) {
    return split(regex, 0);