Compute days between 2 dates : Calendar Date « Development Class « Java

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Java » Development Class » Calendar Date Screenshots  Compute days between 2 dates       import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; public class Main{   public static void main(String args[]) {     Calendar c1 = new GregorianCalendar();     Calendar c2 = new GregorianCalendar();     c1.set(2000, 12, 12, 0, 0, 0);     c2.set(2001, 12, 12, 0, 0, 0);     System.out.println(daysBetween(c1.getTime(), c2.getTime()) + " day(s) between " + args[0] + "-"         + args[1] + "-" + args[2] + " and " + args[3] + "-" + args[4] + "-" + args[5]);   }   static final long ONE_HOUR = 60 * 60 * 1000L;   public static long daysBetween(Date d1, Date d2) {     return ((d2.getTime() - d1.getTime() + ONE_HOUR) / (ONE_HOUR * 24));   } }                            Related examples in the same category 1.  Create a Date object using the Calendar class 2.  When does the UNIX date get into trouble 3.  Trivial class to show use of Date and Calendar objects 4.  Convert longs (time_t in UNIX terminology) to seconds 5.  Show use of Calendar objects 6.  How quickly can you press return 7.  Easter - compute the day on which Easter falls 8.  Show use of Calendar get() method with various parameters 9.  TimeComputation for processing sqrt and Input and Output operations. 10.  Bean to display a month calendar in a JPanel 11.  Show some date uses 1 12.  Show dates before 1970 13.  Compare Dates 14.  Compare File Dates 15.  If a date is after another date 16.  If a date is before another date 17.  Show some calendar calculations 18.  The best way to format a date/time is to use 19.  Create SimpleDateFormats from a string read from a file 20.  DateCalAdd -- compute the difference between two dates 21.  Show some date uses 22.  Calendar Demo 23.  DateDiff -- compute the difference between two dates 24.  DateAdd -- compute the difference between two dates 25.  Increment and Decrement a Date Using the Calendar Class 26.  Increment and Decrement Months Using the Calendar Class 27.  Add or subtract days to current date using Java Calendar 28.  Subtract days from current date using Calendar.add method 29.  Add hours to current date using Calendar.add method 30.  Subtract hours from current date using Calendar.add method 31.  Add minutes to current date using Calendar.add method 32.  Subtract minutes from current date using Calendar.add method 33.  Add months to current date using Calendar.add method 34.  Subtract months from current date using Calendar.add method 35.  Add seconds to current date using Calendar.add method 36.  Subtract seconds from current time using Calendar.add method 37.  Add week to current date using Calendar.add method 38.  Add hours, minutes or seconds to a date 39.  Subtract week from current date 40.  Add year to current date using Calendar.add method 41.  Add 10 months to the calendar 42.  Subtract 1 year from the calendar 43.  Subtract year from current date 44.  Calendar adjust date automatically 45.  Display Day of Week using Java Calendar 46.  Display Month of year using Java Calendar 47.  Display full date time 48.  Get a List of Month Names 49.  Get current date, year and month 50.  Get Week of month and year using Java Calendar 51.  Get the number of days in that month 52.  Get the current month name 53.  Get day, month, year value from the current date 54.  Convert day of the year to date 55.  Pass the year information to the calendar object 56.  Get the last date of a month 57.  Convert day of year to day of month 58.  Determine the day of the week 59.  Set with GregorianCalendar.YEAR, MONTH and DATE 60.  Determine if an hour is between an interval 61.  Parse a String to obtain a Date/GregorianCalendar object 62.  Try month in a leap year 63.  Determining If a Year Is a Leap Year 64.  Determining the Day-of-Week for a Particular Date 65.  Subtract 30 days from the calendar 66.  Date Format Test 67.  Date and time with month 68.  Date and time with day and month fully spelled-out 69.  Formatting the Time Using a Custom Format 70.  Convert string date to long value 71.  Display date with a short day and month name 72.  Convert Date to String 73.  Validate a date Using DateFormat 74.  Get the day name 75.  Use the SimpleDateFormat from the java.text package 76.  Formatting date with full day and month name and show time up to milliseconds with AM/PM 77.  Getting the Current Time 78.  Output current time: %tc 79.  Swing: Date Time Editor 80.  Get day of week 81.  Convert milliseconds value to date 82.  Calculate the age 83.  Format a duration in ms into a string as "Days,Hours,minutes and seconds" 84.  Formatting Symbols for SimpleDateFormat 85.  Express a duration in term of HH:MM:SS 86.  Match Date 87.  Checks if two calendar objects represent the same local time. 88.  Checks if two date objects are on the same day ignoring time 89.  Checks if two date objects represent the same instant in time 90.  Calendar Comparator 91.  Calendar To String 92.  Formatter that caches formatted date information 93.  Date Format Cache. 94.  Date and time formatting utilities and constants. 95.  Formatting dates into Strings. 96.  Monitored GregorianCalendar 97.  RFC date format 98.  Utilities for java.util.Date