Java Utililty Methods Minute

double addMinutesToMjd(double mjd, double minutes)
Add minutes to Modified Julian Date and return the result

double timeInMinutes = (mjd - mjdAtJanFirst1970) * daysToMinutes;
double newTimeInMinutes = timeInMinutes + minutes;
return newTimeInMinutes * minutesToDays + mjdAtJanFirst1970;

String buildDelayParamForMinutes(final int delayInMinutes)
build Delay Param For Minutes

if (delayInMinutes <= 0) {
 throw new IllegalArgumentException("delayInMinutes must be > 0");
StringBuilder sbBuilder = new StringBuilder();
sbBuilder.append("\"<PLUSET>");
sbBuilder.append(delayInMinutes);
sbBuilder.append("m</PLUSET><EF>24h</EF>\"");
return sbBuilder.toString();
...

String calculateRuntimeMinutes(long startTime, long endTime)
calculate Runtime Minutes

long seconds = Math.round((endTime - startTime) / 1000.0);
int hours = (int) (seconds / 3600.0);
int rest1 = (int) (seconds % (3600.0));
int minutes = (int) (rest1 / 60.0);
seconds = (int) (seconds - (hours * 3600 + minutes * 60));
String h = "" + hours;
String m = "" + minutes;
String s = "" + seconds;
...

int calMinutes(Date date1, Date date2)
cal Minutes

int times = 0;
times = (int) ((date1.getTime() - date2.getTime()) / (60 * 1000));
return times;

Integer countMinute(Long time)
count Minute

Long days = time / 60000;
return days.intValue();

int elapsedMinutes(int beginTimeInMinutes, int endTimeInMinutes)
elapsed Minutes

return Math.abs(endTimeInMinutes - beginTimeInMinutes);

long extractMinutes(String[] parts)
extract Minutes

int length = parts.length;
if (length < 2) {
 return 0L;
return Long.parseLong(parts[length - 2]) * 60;

Date floorTimestamp(Date ts, int windowMinutes)
floor Timestamp

Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MILLISECOND, 0);
int modulo = calendar.get(Calendar.MINUTE) % windowMinutes;
if (modulo > 0) {
 calendar.add(Calendar.MINUTE, -modulo);
long finalTS = calendar.getTime().getTime() / 1000;
...

Date getDateAfter(Date date, int minute)
get Date After

Calendar calendar = Calendar.getInstance();
if (date != null) {
 calendar.setTime(date);
} else {
 calendar.setTime(new Date());
calendar.add(Calendar.MINUTE, minute);
return calendar.getTime();
...

Date getDateTime(Date d, int hour, int minute, int second, int millisecond)
Returns the passed date, at the specified time

Calendar c = Calendar.getInstance();
c.setTime(d);
c.set(Calendar.HOUR_OF_DAY, hour);
c.set(Calendar.MINUTE, minute);
c.set(Calendar.SECOND, second);
c.set(Calendar.MILLISECOND, millisecond);
return c.getTime();