Java Utililty Methods TimeUnit Usage

List of utility methods to do TimeUnit Usage

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Description

The list of methods to do TimeUnit Usage are organized into topic(s).

Method

intrandomNanos(Random rand, int decimalDigits)
random Nanos 
int nanos = rand.nextInt((int) NANOSECONDS_PER_SECOND);
return nanos - nanos % (int) Math.pow(10, 9 - decimalDigits);
ListrangeOf(final Date date, final int beforeDates, final int afterDates)
range Of 
final Calendar c = Calendar.getInstance();
c.setTime(date);
final int size = beforeDates + afterDates + 1;
final List<Date> list = Arrays.asList(new Date[size]);
list.set(beforeDates, date);
for (int i = beforeDates; i > 0;) {
    c.add(Calendar.DATE, -1);
    list.set(--i, c.getTime());
...
longroundTimestampToNexDay(long timestamp)
round Timestamp To Nex Day 
return roundTimestampToDay(timestamp) + TimeUnit.DAYS.toMillis(1);
Trun(Callable task, long timeout)
run 
FutureTask<T> future = new FutureTask<T>(task);
new Thread(future).start();
T r = null;
try {
    r = future.get(timeout, TimeUnit.MILLISECONDS);
} finally {
    try {
        future.cancel(true);
...
voidsecond(long second)
second 
try {
    TimeUnit.SECONDS.sleep(second);
} catch (InterruptedException e) {
    e.printStackTrace();
longseconds(long timeInMillis)
seconds 
return TimeUnit.MILLISECONDS.toSeconds(timeInMillis);
longsecondsFromNow(long seconds)
seconds From Now 
return System.currentTimeMillis() + toMillis(seconds, TimeUnit.SECONDS);
intsecondsPassed(int startTime)
seconds Passed 
return getSecondsTimeStamp() - startTime;
StringsecondsToETA(long secondsTotal)
seconds To ETA 
long hours = TimeUnit.SECONDS.toHours(secondsTotal);
long minutes = TimeUnit.SECONDS.toMinutes(secondsTotal)
        - TimeUnit.HOURS.toMinutes(TimeUnit.SECONDS.toHours(secondsTotal));
long seconds = secondsTotal - TimeUnit.MINUTES.toSeconds(TimeUnit.SECONDS.toMinutes(secondsTotal));
String str;
if (hours > 0) {
    str = String.format("%02d:%02d:%02ds", hours, minutes, seconds);
} else if (minutes > 0) {
...
StringsecondsToHMS(long seconds)
Show time in seconds as hours, minutes and seconds (hh:mm:ss) 
long hours = TimeUnit.SECONDS.toHours(seconds);
long minutes = TimeUnit.SECONDS.toMinutes(seconds) % TimeUnit.HOURS.toMinutes(1);
seconds = TimeUnit.SECONDS.toSeconds(seconds) % TimeUnit.MINUTES.toSeconds(1);
return String.format("%02d:%02d:%02d", hours, minutes, seconds);