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  1. import java.time.LocalDate;
  2. import java.time.MonthDay;
  3. import java.time.format.DateTimeFormatter;
  4. import java.time.format.DateTimeFormatterBuilder;
  5. import java.time.temporal.ChronoField;
  6. import java.util.Locale;
  7.  
  8. class Main {
  9.     public static void main(String args[]) {
  10.         // If your string is in --MM-dd format
  11.         MonthDay monthDay = MonthDay.parse("--03-10");
  12.         // If you want the current year, replace 1 with Year.now().getValue()
  13.         LocalDate date = monthDay.atYear(1);
  14.         System.out.println(date);
  15.  
  16.         // If your string is in MM-dd format
  17.         DateTimeFormatter monthDayFormatter = DateTimeFormatter.ofPattern("MM-dd", Locale.ENGLISH);
  18.         monthDay = MonthDay.parse("03-10", monthDayFormatter);
  19.         // If you want the current year, replace 1 with Year.now().getValue()
  20.         date = monthDay.atYear(1);
  21.         System.out.println(date);
  22.  
  23.         // An alternative solution
  24.         DateTimeFormatter dtf = new DateTimeFormatterBuilder()
  25.                 .appendPattern("MM-dd")
  26.                 // If you want the current year, replace 1 with Year.now().getValue()
  27.                 .parseDefaulting(ChronoField.YEAR, 1)
  28.                 .toFormatter(Locale.ENGLISH);
  29.         date = LocalDate.parse("03-10", dtf);
  30.         System.out.println(date);
  31.     }
  32. }
Success #stdin #stdout 0.12s 49432KB
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0001-03-10
0001-03-10
0001-03-10
https://ideone.com/uypqUk
language:
Java (HotSpot 12)
created:
2 years ago
visibility:
secret

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