I get date in a format like LocalDate dateOfBirthday = LocalDate.of(2000, 1, 1);.
I need to get the day of the month from that date. I using dateOfBirthday.getDayOfMonth() and it works and return 1, but I need to get 01.
How I can do it?
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. Edit: This one gives you a two-digit day of month (01 through 31):
private static final DateTimeFormatter dayOfMonthFormatter
= DateTimeFormatter.ofPattern("dd");
To use it with your birth date:
LocalDate dateOfBirthday = LocalDate.of(2000, 1, 1);
String twoDigitDayOfMonth = dateOfBirthday.format(dayOfMonthFormatter);
System.out.println("Day of month: " + twoDigitDayOfMonth);
Output is:
Day of month: 01
Original answer: 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