Java Utililty Methods Date Compare

List of utility methods to do Date Compare

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Description

The list of methods to do Date Compare are organized into topic(s).

Method

booleancompareDateForSecond(Date src, Date target, int second)
compare Date For Second 
Calendar targetTime = Calendar.getInstance();
targetTime.setTime(target);
targetTime.add(Calendar.SECOND, second);
Calendar srcTime = Calendar.getInstance();
srcTime.setTime(src);
return srcTime.compareTo(targetTime) <= 0;
intcompareDates(Date date1, Date date2)
Compares two given valid dates to return a number flag 
if (date1 == null || date2 == null) {
    return -1;
int dateDifference = 0;
Calendar calendar1 = Calendar.getInstance();
calendar1.setTime(date1);
Calendar calendar2 = Calendar.getInstance();
calendar2.setTime(date2);
...
intcompareDates(Date date1, Date date2)
Compares the two dates. 
return date1.compareTo(date2);
intcompareDates(final Date dateA, final Date dateB)
Compares two dates ignoring time: just year, month, day. 
final Calendar calendarA = GregorianCalendar.getInstance();
calendarA.setTime(dateA);
calendarA.set(Calendar.MILLISECOND, 0);
calendarA.set(Calendar.SECOND, 0);
calendarA.set(Calendar.MINUTE, 0);
calendarA.set(Calendar.HOUR_OF_DAY, 0);
final Calendar calendarB = GregorianCalendar.getInstance();
calendarB.setTime(dateB);
...
intcompareDates(final String format, final Date date1, final Date date2)
compare Dates 
final DateFormat dateFormat = new SimpleDateFormat(format);
final String date1String = dateFormat.format(date1);
final String date2String = dateFormat.format(date2);
return date1String.compareTo(date2String);
intcompareDateSequence(String startDate, String endDate)
compare Date Sequence 
java.util.Date start_Date = numberToDate(startDate);
java.util.Date end_Date = numberToDate(endDate);
int result = start_Date.compareTo(end_Date);
return result;
intcompareDatesOnly(long date1, long date2)
Compares the two dates. 
c1.setTimeInMillis(date1);
c2.setTimeInMillis(date2);
int day1 = c1.get(Calendar.DAY_OF_MONTH);
int month1 = c1.get(Calendar.MONTH);
int year1 = c1.get(Calendar.YEAR);
int day2 = c2.get(Calendar.DAY_OF_MONTH);
int month2 = c2.get(Calendar.MONTH);
int year2 = c2.get(Calendar.YEAR);
...
intcompareDateTimeNull(Date d1, Date d2)
compare Date Time Null 
if (d1 == null && d2 == null) {
    return 0;
if (d1 == null) {
    return -1;
if (d2 == null) {
    return 1;
...
intcompareDay(Date date, Date anotherDate)
compare Day 
if (null == date && null == anotherDate) {
    return 0;
if (date == null) {
    date = new Date();
if (anotherDate == null) {
    anotherDate = new Date();
...
BooleancompareDay(Date date1, int compday)
compare Day 
if (date1 == null)
    return false;
Date dateComp = getDateBeforeOrAfter(date1, compday);
Date nowdate = new Date();
if (dateComp.after(nowdate))
    return true;
else
    return false;
...