Java Utililty Methods Date to Minute

if (date == null) {
    return null;
} else {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);
    calendar.set(11, calendar.getActualMinimum(11));
    calendar.set(12, calendar.getActualMinimum(12));
    calendar.set(13, calendar.getActualMinimum(13));
...

GregorianCalendar gc = new GregorianCalendar();
gc.setTime(date);
setMinHour(gc);
return gc.getTime();

Calendar c = Calendar.getInstance();
c.setTime(date);
return c.get(Calendar.MINUTE);

Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MILLISECOND, 0);
return calendar.getTime();

if (date == null) {
    return null;
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.add(Calendar.DATE, -1);
return cal.getTime();

return get(d, Calendar.MINUTE);

if (d == null)
    return 0;
final Calendar c = new GregorianCalendar();
c.setTime(d);
return c.get(Calendar.MINUTE);

return newCalendar(date).get(Calendar.MINUTE);

GregorianCalendar cal = getCalender(date, false);
return cal.get(Calendar.MINUTE);

java.util.Calendar c = java.util.Calendar.getInstance();
c.setTime(date);
return c.get(java.util.Calendar.MINUTE);