As Benjamin M correctly stated in a comment, 01
would be a string (not an int
). The correct way to convert a date to a string goes through a formatter. This one gives you a two-digit month — so 01 for January through 12 for December:
private static final DateTimeFormatter monthFormatter
= DateTimeFormatter.ofPattern("MM");
To use it with your birth date:
LocalDate dateOfBirthday = LocalDate.of(2000, 1, 1);
String twoDigitMonth = dateOfBirthday.format(monthFormatter);
System.out.println("Month: " + twoDigitMonth);
Output is:
Month: 01
solved Get day of month from LocalDate with leading zero [duplicate]