Java Day End getYearsBetween(Date startDate, Date endDate)

Description

get Years Between

License

Open Source License

Declaration

public static long getYearsBetween(Date startDate, Date endDate) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;

public class Main {
    public static final long MILIS_PER_YEAR = 31540000000L;

    public static long getYearsBetween(Date startDate, Date endDate) {
        long msBetween = getMsBetween(startDate, endDate);
        return miliSecondsToYears(msBetween);
    }/*  w  w w . j a va2 s .  c o m*/

    public static long getMsBetween(Date startDate, Date endDate) {
        Calendar cal = getCalendar();
        cal.setTime(startDate);
        long startMs = cal.getTimeInMillis();
        cal.setTime(endDate);
        long endMs = cal.getTimeInMillis();

        return endMs - startMs;
    }

    public static long miliSecondsToYears(long ms) {
        return ms / MILIS_PER_YEAR;
    }

    public static Calendar getCalendar() {
        return getCalendar("GMT");
    }

    public static Calendar getCalendar(String timezone) {
        Calendar cal = Calendar.getInstance();
        cal.setTimeZone(TimeZone.getTimeZone(timezone));

        return cal;
    }
}

Related

1. getTotalDays(Date startDate, Date endDate)
2. getTotalMonths(final Date startDateToCheck, final Date endDateToCheck)
3. getTrendTime(Date date)
4. getWorkingDays(Calendar start, Calendar end, final Long[] holidays)
5. getWorkingDaysBetweenTwoDates(Date startDate, Date endDate)
6. getYearsBetweenDate(Date begin, Date end)
7. isBetweenDate(Date date, Date startDate, Date endDate)
8. isBetWeenDates(Date in, Date from, Date to)
9. isCalenderDaySame(GregorianCalendar aInCal1, GregorianCalendar aInCal2)