Java Utililty Methods Duration Create

Duration getDuration(final Date started, final Date finished)
Get the duration between when something was started and finished.

if (started == null || started.getTime() == 0) {
 return Duration.ZERO;
} else if (finished == null || finished.getTime() == 0) {
 return Duration.ofMillis(new Date().getTime() - started.getTime());
} else {
 return Duration.ofMillis(finished.getTime() - started.getTime());

Duration getDuration(Object o, TemporalUnit unit)
get Duration

if (o != null && o instanceof Duration) {
 return (Duration) o;
try {
 return Duration.of(getLong(o), unit);
} catch (IllegalArgumentException e) {
 throw new IllegalArgumentException("Don't know how to convert " + o + " to Duration", e);