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I would like to get which day of the week is the current day and looking the SimpleDateFormat class I tought that the "F" is what I need. So I wrote a little test:
System.out.println(new SimpleDateFormat("F").format(new Date()));
Today is wednesday and I expect to get 3 as output. Instead I get 2.
As english isn't my mothertongue, did I missunderstand the meaning of the format?
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Class SimpleDateFormat. SimpleDateFormat is a concrete class for formatting and parsing dates in a locale-sensitive manner. It allows for formatting (date -> text), parsing (text -> date), and normalization. SimpleDateFormat allows you to start by choosing any user-defined patterns for date-time formatting.
The java SimpleDateFormat allows construction of arbitrary non-localized formats. The java DateFormat allows construction of three localized formats each for dates and times, via its factory methods.
You can just use: Date yourDate = new Date(); SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd"); String date = DATE_FORMAT. format(yourDate);
DateTimeFormatter is a replacement for the old SimpleDateFormat that is thread-safe and provides additional functionality.
F - Day of week in month
E - Day name in week
try u - Day number of week (1 = Monday, ..., 7 = Sunday)
Note that 'u' is since Java 7, but if you need just day number of the week then use Calendar
Calendar c = Calendar.getInstance();
System.out.println(c.get(Calendar.DAY_OF_WEEK));
You can change first day of week by changing Locale or directly as
c.setFirstDayOfWeek(Calendar.SUNDAY);
Today is the second Wednesday in the current month.
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F = Day of Week in Month
1day to 7day, it will print 1.
8day to 14day, it will print 2.
15day to 21day, it will print 3.
22day to 28day, it will print 4 and
29day to 31day, it will print 5.
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