Your solution is here but instead of addition you need to use subtraction c.add(Calendar.MONTH, -1); Then you can call getter on the Calendar to acquire proper fields int month = c.get(Calendar.MONTH) + 1; // beware of month indexing from zero int year = c.get(Calendar.YEAR);
Just use withDayOfMonth, and lengthOfMonth(): LocalDate initial = LocalDate.of(2014, 2, 13); LocalDate start = initial.withDayOfMonth(1); LocalDate end = initial.withDayOfMonth(initial.getMonth().length(initial.isLeapYear()));
DateTimeFormatter dtf = DateTimeFormatter.ofPattern(“uuuu-MM-dd H:mm:ss”); With this change your program outputs: 2019-05-03T07:05:03 A single format pattern letter H will match hour of day in either 1 or two digits. That is, it will accept 7, 07, 13, etc. Two HH on the other hand requires two digits like 07 or 13, so 7 alone cannot … Read more
The strict resolver requires an era to go with YearOfEra. Change your pattern to use “u” instead of “y” and it will work, ie. “uuMMdd”.
This is a bug in IsoFields which managed to slip through because this method was untested (sorry about that). There should be very little observable difference between IsoFields and WeekFields.ISO when implemented correctly. See the bug report and patch which will eventually work through the system and be fixed. Note, testing revealed that getting the … Read more
Your concrete problem is that you migrated from Joda’s zoneless date time instance DateTime to Java8’s zoned date time instance ZonedDateTime instead of Java8’s zoneless date time instance LocalDateTime. Using ZonedDateTime (or OffsetDateTime) instead of LocalDateTime requires at least 2 additional changes: Do not force a time zone (offset) during date time conversion. Instead, the … Read more
There is no direct correlation between LocalDateTime and java.sql.Date, since former is-a timestamp, and latter is-a Date. There is, however, a relation between LocalDate and java.sql.Date, and conversion can be done like this: LocalDate date = //your local date java.sql.Date sqlDate = java.sql.Date.valueOf(date) Which for any given LocalDateTime gives you the following code: LocalDateTime dateTime … Read more
The official statement of the author of Joda-time himself is to migrate as soon as Java-8 is available. See also this citation from the website: Note that Joda-Time is considered to be a largely “finished” project. No major enhancements are planned. If using Java SE 8, please migrate to java.time (JSR-310). So the short answer … Read more
Assuming you mainly want to iterate over the date range, it would make sense to create a DateRange class that is iterable. That would allow you to write: for (LocalDate d : DateRange.between(startDate, endDate)) … Something like: public class DateRange implements Iterable<LocalDate> { private final LocalDate startDate; private final LocalDate endDate; public DateRange(LocalDate startDate, LocalDate … Read more
From the documentation: Number: If the count of letters is one, then the value is output using the minimum number of digits and without padding. So the format specifier you want is M/d/yyyy, using single letter forms. Of course, it will still parse date Strings like “12/30/1969” correctly as for these day/month values, two digits … Read more