Outputs this month-day as a {@code string}, such as {@code --12-03}. !(p) The output will be _in the format {@code --MM-dd}:
@return a string representation of this month-day, not null
See Implementation
Outputs this month-day as a {@code string}, such as {@code --12-03}. !(p) The output will be _in the format {@code --MM-dd}:
@return a string representation of this month-day, not null