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

intcompare(final Date lhs, final Date rhs)
Null-safe implementation to compare two dates against each other. 
if (lhs == null)
    return (rhs == null ? 0 : -1);
if (lhs == rhs)
    return 0;
if (rhs == null)
    return 1;
return lhs.compareTo(rhs);
Integercompare(final Date one, final Date another)
compare 
if (one == null || another == null) {
    return null;
final Calendar cal1 = Calendar.getInstance();
final Calendar cal2 = Calendar.getInstance();
cal1.setTime(one);
cal2.setTime(another);
int age = Math.abs(cal1.get(Calendar.YEAR) - cal2.get(Calendar.YEAR));
...
intcompare2Date(Date date1, Date date2)
date2 return 0 ,date1==date2 return 1, date1try { if (date1.after(date2)) { return 0; } else if (date1.equals(date2)) { return 1; } else { return 2; } catch (Exception e) { return -1;
intcompare2Dates(Date d1, Date d2)
Compare two days and returns -1 if d1 is less than d2 0 if both are equal, 1 if d1 is greater than d2 
Calendar c1 = Calendar.getInstance();
Calendar c2 = Calendar.getInstance();
c1.setTime(d1);
c2.setTime(d2);
if (c1.before(c2)) {
    return -1;
} else if (c1.after(c2)) {
    return 1;
...
intcompare2DateString(String DateStringType, String dateStr1, String dateStr2)
compare Date String 
try {
    SimpleDateFormat df = new SimpleDateFormat(DateStringType);
    Date d1 = df.parse(dateStr1);
    Date d2 = df.parse(dateStr2);
    if (d1.after(d2)) {
        return 0;
    } else if (d1.equals(d2)) {
        return 1;
...
intcompare_date2(String finalDate, String enddate)
compardate 
try {
    DateFormat df = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
    Date d1 = df.parse(finalDate);
    Date d2 = df.parse(enddate);
    int ss = d1.compareTo(d2);
    return ss;
} catch (ParseException e) {
    e.printStackTrace();
...
intcompareCalendars(Date fechaAComparar, Date fechaBase)
compare Calendars 
Calendar calendario1 = Calendar.getInstance();
calendario1.setTime(fechaAComparar);
Calendar calendario2 = Calendar.getInstance();
calendario2.setTime(fechaBase);
if (calendario1.get(Calendar.YEAR) == calendario2.get(Calendar.YEAR)
        && calendario1.get(Calendar.MONTH) == calendario2.get(Calendar.MONTH)
        && calendario1.get(Calendar.DATE) == calendario2.get(Calendar.DATE)) {
    return 0;
...
intcompareDate(Date d1, Date d2)
Compares two dates. 
if (d1 == null && d2 == null)
    return 0;
if (d1 == null && d2 != null)
    return -1;
if (d1 != null && d2 == null)
    return 1;
Calendar c1 = Calendar.getInstance();
c1.setTime(d1);
...
intcompareDate(Date d1, Date d2)
tra ve 1 neu date1 sau date2 
int result = 0;
Calendar cal1 = Calendar.getInstance();
Calendar cal2 = Calendar.getInstance();
cal1.setTime(d1);
cal1.set(Calendar.HOUR_OF_DAY, 0);
cal1.set(Calendar.MINUTE, 0);
cal1.set(Calendar.SECOND, 0);
cal1.set(Calendar.MILLISECOND, 0);
...
booleancompareDate(Date d1, Date d2)
compare Date 
Calendar c1 = Calendar.getInstance();
Calendar c2 = Calendar.getInstance();
c1.setTime(d1);
c2.setTime(d2);
int result = c1.compareTo(c2);
if (result > 0)
    return true;
else
...