Java Utililty Methods Second Calculate

List of utility methods to do Second Calculate

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Description

The list of methods to do Second Calculate are organized into topic(s).

Method

longcomputeStartOfNextSecond(long now)
compute Start Of Next Second 
Calendar cal = Calendar.getInstance();
cal.setTime(new Date(now));
cal.set(Calendar.MILLISECOND, 0);
cal.add(Calendar.SECOND, 1);
return cal.getTime().getTime();
longgetMillisecond(long num, int unit)
get Millisecond 
if (unit == Calendar.SECOND) {
    return num * 1000;
} else if (unit == Calendar.MINUTE) {
    return num * 60 * 1000;
} else if (unit == Calendar.HOUR_OF_DAY) {
    return num * 3600 * 1000;
throw new IllegalArgumentException("unknown time unit: " + unit);
...
intgetSecond(long t)
get Second 
Calendar cld = Calendar.getInstance();
if (t > 0) {
    cld.setTime(new java.util.Date(t));
return cld.get(Calendar.SECOND);
intgetSecond(String s)
get Second 
if (s == null || s.length() < 18) {
    return 0;
return Integer.parseInt(s.substring(16, 18));
DatenextSecond(int second)
next Second 
Calendar now = now();
now.set(Calendar.SECOND, now.get(Calendar.SECOND) + second);
return now.getTime();
DatesecondsLater(Integer seconds)
Get date for number of seconds later 
return forCalendarDiff(Calendar.SECOND, seconds);