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  1. import java.time.Duration;
  2. import java.util.stream.Stream;
  3.  
  4. public class Main {
  5. 	public static void main(String[] args) {
  6. 		// Test
  7. 		Stream.of(
  8. 				"30min", 
  9. 				"2h 15min", 
  10. 				"2d 15h 30min"
  11. 		).forEach(s -> System.out.println(s + " => " + toMillis(s) + "ms"));
  12. 	}
  13.  
  14. 	static long toMillis(String strDuration) {
  15. 		strDuration = strDuration.replaceAll("\\s+", "").replaceFirst("(\\d+d)", "P$1T");
  16. 		strDuration = strDuration.charAt(0) != 'P' ? "PT" + strDuration.replace("min", "m")
  17. 				: strDuration.replace("min", "m");
  18. 		Duration duration = Duration.parse(strDuration);
  19. 		return duration.toMillis();
  20. 	}
  21. }
Success #stdin #stdout 0.16s 55200KB
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stdin
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Standard input is empty
stdout
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30min => 1800000ms
2h 15min => 8100000ms
2d 15h 30min => 228600000ms
https://ideone.com/wi8C8x
language:
Java (HotSpot 12)
created:
3 years ago
visibility:
public

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