What you're finding is that when you do, for example, date.equals(date3), the year month and day match, but the other fields potentially don't. To solve this, call clear() first: Calendar date = Calendar.getInstance(); date.clear(); date.set(year, month-1, day); Also, you probably don't actually want to compare calendars for equality. You can A month is represented by an integer from 0 to 11; 0 is January, 1 is February, and so forth; thus 11 is December. A date (day of month) is represented by an integer from 1 to 31 in the usual manner. An hour is represented by an integer from 0 to 23. Thus, the hour from midnight to 1 a.m. is hour 0, and the hour from noon to 1 p.m. is hour 12.
Modern answer: Use LocalDate from java.time, the modern Java date and time API, and its toString method:. LocalDate date = LocalDate.of(2012, Month.DECEMBER, 1
2 Answers. Edit: To get the months difference, you can use Calender class. Otherwise, use JodaTime library (linked at bottom of answer). Calendar startCalendar = new GregorianCalendar (); startCalendar.setTime (startDate); Calendar endCalendar = new GregorianCalendar (); endCalendar.setTime (endDate); int diffYear = endCalendar.get (Calendar
For this type of problem, it is best to use the new Java Time API that was introduced in Java 8.. We have 2 Strings that represent a year and a month. Therefore, we will parse each String into a YearMonth object using a custom DateTimeFormatter.
I think the easy solution is to convert to LocalDate: LocalDate validFrom = LocalDate.parse ("2017-01-01 00:00:00", DateTimeFormatter.ofPattern ("uuuu-MM-dd HH:mm:ss")); The LocalDate class accepts parsing with a pattern that includes hours, minutes and seconds, it just ignores those values from the string. Do the same with validUntil and the The user could change the selected month & year by clicking the next/previous month buttons, selecting a month from the month popup menu, or selecting a different year (using the year spinner): Edit: added example with adapted versions of JDatePicker classes Wo79UNX.
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    • java date year month day