Temporal calculations with Java 8 java.time.* -


let have java.time.instant - start point of event, , java.time.duration - duration of event.

can use java.time.period calculate if instant belongs period? if no - approach should use define it?

given instant instant , duration duration, want check if instant tocheck belongs interval [instant; instant + duration].

for this, can calculate duration between instant , tocheck duration.between. if duration positive , less specified duration instant check in wanted interval.

public static void main(string[] args) {     instant instant = instant.now();     duration duration = duration.ofseconds(10);     instant tocheck = instant.plusseconds(5);      duration d = duration.between(instant, tocheck);     if (!d.isnegative() && d.compareto(duration) <= 0) {         system.out.println("is in interval!");     } }

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