Why can't I get a duration in minutes or hours in java.time?

Question

Of the Duration class in the new JSR 310 date API (java.time package) available in Java 8 and later, the javadoc says :

This class models a quantity o

Answer 1

To get the hour/minute/second components in a "normalised" way, you need to calculate them manually - the code below is essentially copied from the Duration#toString method:

Duration duration = Duration.ofSeconds(3000);
long hours = duration.toHours();
int minutes = (int) ((duration.getSeconds() % (60 * 60)) / 60);
int seconds = (int) (duration.getSeconds() % 60);
System.out.println(hours + ":" + minutes + ":" + seconds);