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  1. import java.time.*;
  2. import java.util.List;
  3. import java.util.stream.Collectors;
  4.  
  5. public class Main {
  6.     public static void main(String[] args) {
  7.         Duration duration = Duration.between(
  8.                 ZonedDateTime.now().minusHours(4).minusMinutes(1).minusSeconds(40),
  9.                 ZonedDateTime.now()
  10.         );
  11.         System.out.println(formatDuration(duration));
  12.  
  13.         // Example for '... later'
  14.         duration = Duration.between(
  15.                 ZonedDateTime.now().plusHours(4).plusMinutes(1).plusSeconds(40),
  16.                 ZonedDateTime.now()
  17.         );
  18.         System.out.println(formatDuration(duration));
  19.     }
  20.  
  21.     static String formatDuration(Duration duration) {
  22.         //################# Java 9 onwards ###################
  23.         String formatted = List.of(fmtHr(Math.abs(duration.toHoursPart())),
  24.                 fmtMin(Math.abs(duration.toMinutesPart())),
  25.                 fmtSec(Math.abs(duration.toSecondsPart()))
  26.         ).stream().collect(Collectors.joining(", "));
  27.         //#####################################################
  28.  
  29.         return formatted += duration.toHoursPart() >= 0 ? " ago." : " later.";
  30.     }
  31.  
  32.     static String fmtHr(long hr) {
  33.         return String.format("%d %s", hr, hr <= 1 ? "hour" : "hours");
  34.     }
  35.  
  36.     static String fmtMin(long min) {
  37.         return String.format("%d %s", min, min <= 1 ? "minute" : "minutes");
  38.     }
  39.  
  40.     static String fmtSec(long sec) {
  41.         return String.format("%d %s", sec, sec <= 1 ? "second" : "seconds");
  42.     }
  43. }
Success #stdin #stdout 0.19s 61424KB
comments (?)
stdin 
Standard input is empty
stdout 
4 hours, 1 minute, 40 seconds ago.
4 hours, 1 minute, 40 seconds later.
https://ideone.com/xJY8oC
language:
Java (HotSpot 12)
created:
1 year ago
visibility:
secret

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