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  1. import java.time.LocalDate;
  2. import java.time.Year;
  3. import java.time.temporal.WeekFields;
  4. import java.util.Locale;
  5.  
  6. public class Main {
  7. 	public static void main(String[] args) {
  8. 		// Test
  9. 		int weekNumber = 34;
  10. 		System.out.printf("%s - %s%n", getFirstDayOfWeek(weekNumber, Locale.UK),
  11. 				getLastDayOfWeek(weekNumber, Locale.UK));
  12. 		System.out.printf("%s - %s%n", getFirstDayOfWeek(weekNumber, Locale.US),
  13. 				getLastDayOfWeek(weekNumber, Locale.US));
  14. 	}
  15.  
  16. 	static LocalDate getFirstDayOfWeek(int weekNumber, Locale locale) {
  17. 		return LocalDate
  18. 				.of(Year.now().getValue(), 2, 1)
  19.                 .with(WeekFields.of(locale).getFirstDayOfWeek())
  20.                 .with(WeekFields.of(locale).weekOfWeekBasedYear(), weekNumber);
  21. 	}
  22.  
  23. 	static LocalDate getLastDayOfWeek(int weekNumber, Locale locale) {
  24. 		return getFirstDayOfWeek(weekNumber, locale).plusDays(6);
  25. 	}
  26. }
Success #stdin #stdout 0.15s 54684KB
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2021-08-23 - 2021-08-29
2021-08-15 - 2021-08-21
https://ideone.com/jI5o2H
language:
Java (HotSpot 12)
created:
2 years ago
visibility:
public

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