refactor method

String refactor(
  1. int times,
  2. int add
)

Implementation

String refactor(int times, int add) {
  switch (times) {
    case 1:
      return stringify(hour + add) + ":" + stringify(min);
    case 2:
      return stringify(hour + add) + ":" + stringify(min + 15);
    case 3:
      return stringify(hour + add) + ":" + stringify(min + 30);
    case 4:
      return stringify(hour + add) + ":" + stringify(min + 45);
    default:
      return "";
  }
}