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  1. import java.time.LocalDateTime;
  2. import java.time.format.DateTimeFormatter;
  3. import java.time.format.DateTimeFormatterBuilder;
  4. import java.util.Locale;
  5.  
  6. public class Main {
  7. 	public static void main(String[] args) {
  8. 		final String strDateTime = "24 Oct 2016 7:31 pm";    		
  9. 		DateTimeFormatter dtfWithDefaultLocale = null;    		
  10.  
  11. 		System.out.println("JVM's Locale: " + Locale.getDefault());
  12. 		// Using DateTimeFormatter with the default Locale
  13. 		dtfWithDefaultLocale = getDateTimeFormatterWithDefaultLocale();
  14. 		System.out.println("DateTimeFormatter's Locale: " + dtfWithDefaultLocale.getLocale());
  15. 		System.out.println(
  16. 				"Parsed with JVM's default locale: " + LocalDateTime.parse(strDateTime, dtfWithDefaultLocale));
  17.  
  18. 		// Setting the JVM's default locale to Locale.FRANCE
  19. 		Locale.setDefault(Locale.FRANCE);
  20.  
  21. 		// Using DateTimeFormatter with Locale.ENGLISH explicitly (recommended)
  22. 		DateTimeFormatter dtfWithEnglishLocale = getDateTimeFormatterWithEnglishLocale();
  23. 		System.out.println("JVM's Locale: " + Locale.getDefault());
  24. 		System.out.println("DateTimeFormatter's Locale: " + dtfWithEnglishLocale.getLocale());
  25. 		LocalDateTime zdt = LocalDateTime.parse(strDateTime, dtfWithEnglishLocale);
  26. 		System.out.println("Parsed with Locale.ENGLISH: " + zdt);
  27.  
  28.  
  29. 		System.out.println("JVM's Locale: " + Locale.getDefault());
  30. 		// Using DateTimeFormatter with the default Locale
  31. 		dtfWithDefaultLocale = getDateTimeFormatterWithDefaultLocale();
  32. 		System.out.println("DateTimeFormatter's Locale: " + dtfWithDefaultLocale.getLocale());
  33. 		System.out.println(
  34. 				"Parsed with JVM's default locale: " + LocalDateTime.parse(strDateTime, dtfWithDefaultLocale));
  35. 	}
  36.  
  37. 	static DateTimeFormatter getDateTimeFormatterWithDefaultLocale() {
  38. 		return new DateTimeFormatterBuilder()
  39. 				.parseCaseInsensitive()				
  40. 				.appendPattern("d MMM uuuu h:m a") 
  41. 				.toFormatter(); // Using default Locale
  42. 	}
  43.  
  44. 	static DateTimeFormatter getDateTimeFormatterWithEnglishLocale() {
  45. 		return new DateTimeFormatterBuilder()
  46. 				.parseCaseInsensitive()				
  47. 				.appendPattern("d MMM uuuu h:m a") 
  48. 				.toFormatter(Locale.ENGLISH); // Using Locale.ENGLISH
  49. 	}
  50. }
Runtime error #stdin #stdout #stderr 0.27s 41760KB
comments (?)
stdin 
Standard input is empty
stdout 
JVM's Locale: en_US
DateTimeFormatter's Locale: en_US
Parsed with JVM's default locale: 2016-10-24T19:31
JVM's Locale: fr_FR
DateTimeFormatter's Locale: en
Parsed with Locale.ENGLISH: 2016-10-24T19:31
JVM's Locale: fr_FR
DateTimeFormatter's Locale: fr_FR
stderr 
Exception in thread "main" java.time.format.DateTimeParseException: Text '24 Oct 2016 7:31 pm' could not be parsed at index 3
	at java.base/java.time.format.DateTimeFormatter.parseResolved0(DateTimeFormatter.java:2049)
	at java.base/java.time.format.DateTimeFormatter.parse(DateTimeFormatter.java:1951)
	at java.base/java.time.LocalDateTime.parse(LocalDateTime.java:492)
	at Main.main(Main.java:34)
https://ideone.com/esJOmH
language:
Java (HotSpot 12)
created:
286 days ago
visibility:
secret

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