How to use

chars

method

in

java.lang.StringBuilder

@Override
public IntStream chars()
{
  return output.chars();
}

@Override
public IntStream chars() {
  return sb.chars();
}

@Override
public IntStream chars() {
 return builder.chars();
}

public IntStream chars() {
  return builder.chars();
}

@Override
Stream<Part> upgradeIfPossible(Box box) {
 return new StringBuilder(name)
   .reverse()
   .chars()
   .mapToObj(c -> {
    Part res = new Short(box.next, Character.toString((char) c));
    box.next = res;
    return res;
   });
}