Java Utililty Methods Date to Quarter

Calendar cld = Calendar.getInstance();
cld.setTime(date);
Double dd = new Double(Math.floor(cld.get(Calendar.MONTH) / 3));
return dd.intValue() + 1;

Calendar cal = Calendar.getInstance();
cal.setTime(date);
int month = cal.get(Calendar.MONTH); 
int quarter = (month / 3) + 1;
return quarter;

if (date == null) {
    return 0;
Calendar objCalendar = Calendar.getInstance();
objCalendar.setTime(date);
int iMonth = objCalendar.get(Calendar.MONTH) + 1;
if ((iMonth >= 1) && (iMonth <= 3)) {
    return 1;
...

int month = getMonth(date);
int quarter = -1;
switch (month) {
case 1:
case 2:
case 3:
    quarter = 1;
    break;
...

Objects.requireNonNull(date);
final GregorianCalendar c = gregorianCalendarThreadLocal.get();
c.setTime(date);
final int year = c.get(Calendar.YEAR);
Date[] bounds = new Date[8];
c.set(year, Calendar.JANUARY, 1, 0, 0, 0);
bounds[0] = c.getTime();
c.set(year, Calendar.MARCH, 31, 0, 0, 0);
...

Calendar c = Calendar.getInstance();
c.setTime(d);
int month = c.get(Calendar.MONTH);
int q = (((month + 1) / 3) + 3) % 4 + 1;
int fy = c.get(Calendar.YEAR);
if (month >= 2) {
    fy++;
return "FY" + fy + "_Q" + q;

Calendar cal = Calendar.getInstance();
cal.setTime(date);
int currentMonth = cal.get(Calendar.MONTH) + 1;
switch (currentMonth) {
case 1:
case 2:
case 3:
    return 1;
...

if (dt == null)
    return 0;
GregorianCalendar gc = new GregorianCalendar();
gc.setTime(dt);
int thisMonth = gc.get(Calendar.MONTH);
return thisMonth / 4 + 1;

Calendar calendar = Calendar.getInstance();
calendar.setTime(day);
int month = calendar.get(Calendar.MONTH);
return month / 3;

Calendar cal = Calendar.getInstance();
cal.setTime(date);
int month = cal.get(Calendar.MONTH);
switch (month) {
case 0:
case 1:
case 2:
    cal.set(Calendar.MONTH, Calendar.JANUARY);
...