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java Programming Glossary: calendar.getinstancehttp://stackoverflow.com/questions/1005523/how-to-add-one-day-to-a-date 1 You can use the Calendar class for that Calendar c Calendar.getInstance c.setTime dt c.add Calendar.DATE 1 dt c.getTime Solution 2 You..
Override Java System.currentTimeMillis for testing time sensitive code http://stackoverflow.com/questions/2001671/override-java-system-currenttimemillis-for-testing-time-sensitive-code lot of the legacy code calls functions such as new Date or Calendar.getInstance both of which eventually call down to System.currentTimeMillis... with search and replace for the singleton version Replace Calendar.getInstance with Clock.getInstance .getCalendarInstance . Replace new Date..
JFormattedTextField : input time duration value http://stackoverflow.com/questions/2234726/jformattedtextfield-input-time-duration-value new SimpleDateFormat H'h' mm'm' comp.setValue Calendar.getInstance .getTime comp.addPropertyChangeListener value new PropertyChangeListener..
How to sanity check a date in java http://stackoverflow.com/questions/226910/how-to-sanity-check-a-date-in-java your date this is how you get the validation. Calendar cal Calendar.getInstance try cal.setTime yourDate catch Exception e System.out.println..
How to handle calendar TimeZones using Java? http://stackoverflow.com/questions/230126/how-to-handle-calendar-timezones-using-java Timestamp ts_ java.util.Calendar cal java.util.Calendar.getInstance GMT_TIMEZONE EN_US_LOCALE cal.setTimeInMillis ts_.getTime return.. set to this date and add the offset Calendar gmtCal Calendar.getInstance TimeZone.getTimeZone GMT gmtCal.setTime date gmtCal.add Calendar.MILLISECOND.. the output if I pass the current time 12 09 05 EDT from Calendar.getInstance in DEBUG input calendar has date Thu Oct 23 12 09 05 EDT 2008..
Java: comparing two Dates to see if they are in the same day http://stackoverflow.com/questions/2517709/java-comparing-two-dates-to-see-if-they-are-in-the-same-day datetime share improve this question Calendar cal1 Calendar.getInstance Calendar cal2 Calendar.getInstance cal1.setTime date1 cal2.setTime.. Calendar cal1 Calendar.getInstance Calendar cal2 Calendar.getInstance cal1.setTime date1 cal2.setTime date2 boolean sameDay cal1.get.. you need you have to pass the relevant time zone s to the Calendar.getInstance calls after you have decided what exactly you mean with the..
Difference in days between two dates in Java? http://stackoverflow.com/questions/3299972/difference-in-days-between-two-dates-in-java b int tempDifference 0 int difference 0 Calendar earlier Calendar.getInstance Calendar later Calendar.getInstance if a.compareTo b 0 earlier.setTime.. 0 Calendar earlier Calendar.getInstance Calendar later Calendar.getInstance if a.compareTo b 0 earlier.setTime a later.setTime b else ..
Android/Java - Date Difference in days http://stackoverflow.com/questions/3838527/android-java-date-difference-in-days reliable method better of using JodaTime Calendar thatDay Calendar.getInstance thatDay.set Calendar.DAY_OF_MONTH 25 thatDay.set Calendar.MONTH.. 11 so 1 less thatDay.set Calendar.YEAR 1985 Calendar today Calendar.getInstance long diff today.getTimeInMillis thatDay.getTimeInMillis result.. generated catch block e.printStackTrace Calendar thatDay Calendar.getInstance thatDay.setTime d rest is the same.... Although since you're..
How can I increment a date by one day in Java? http://stackoverflow.com/questions/428918/how-can-i-increment-a-date-by-one-day-in-java sdf new SimpleDateFormat yyyy MM dd Calendar c Calendar.getInstance c.setTime sdf.parse dt c.add Calendar.DATE 1 number of days..
How to convert a date String to a Date or Calendar object? http://stackoverflow.com/questions/43802/how-to-convert-a-date-string-to-a-date-or-calendar-object
JTable disable Checkbox in Cell http://stackoverflow.com/questions/5798980/jtable-disable-checkbox-in-cell boolean hasFocus int row int col Calendar calendar Calendar.getInstance calendar.setTime Date value Component c super.getTableCellRendererComponent.. renderer row col if col DATE_COL Calendar calendar Calendar.getInstance calendar.setTime Date model.getValueAt row col c.setEnabled..
How do i align this text correctly? http://stackoverflow.com/questions/6238037/how-do-i-align-this-text-correctly acc 1000000000L acc 1000000000L fps tick tick 0 Update c Calendar.getInstance miliSecond c.get Calendar.MILLISECOND second c.get Calendar.SECOND..
http://stackoverflow.com/questions/6567923/timezone-conversion it time based on the local time zone Calendar localTime Calendar.getInstance localTime.set Calendar.HOUR 17 localTime.set Calendar.MINUTE..
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