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  1. import java.time.DayOfWeek;
  2. import java.time.LocalDate;
  3. import java.time.format.TextStyle;
  4. import java.util.Arrays;
  5. import java.util.List;
  6. import java.util.Locale;
  7. import java.util.stream.Stream;
  8.  
  9. public class Main {
  10. 	public static void main(String[] args) {
  11. 		Stream.of(
  12. 				"2021-04-01", 
  13. 				"2021-05-03", 
  14. 				"2020-06-17"
  15. 		).forEach(s -> 
  16. 			System.out.printf(
  17. 				"%s, %s, %s%n", 
  18. 				LocalDate.parse(s).getDayOfWeek(),
  19. 				LocalDate.parse(s).getDayOfWeek().getDisplayName(TextStyle.FULL, Locale.ENGLISH),
  20. 				LocalDate.parse(s).getDayOfWeek().getDisplayName(TextStyle.SHORT, Locale.ENGLISH)
  21. 			)
  22. 		);
  23.  
  24. 		System.out.println("+-+-+-+-+-+-+-+-+-+-+-+-+");
  25.  
  26. 		// Non-Stream solution:
  27. 		// Also, showing only one style without using String#format i.e. %s
  28. 		List<String> strDateList = Arrays.asList(
  29. 										"2021-04-01", 
  30. 										"2021-05-03", 
  31. 										"2020-06-17"
  32. 									);
  33.  
  34. 		for(String s: strDateList) {
  35. 			LocalDate date = LocalDate.parse(s);
  36. 			DayOfWeek dow = date.getDayOfWeek();
  37. 			System.out.println(dow.getDisplayName(TextStyle.FULL, Locale.ENGLISH));
  38. 		}
  39. 	}
  40. }
Success #stdin #stdout 0.14s 56256KB
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stdin
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Standard input is empty
stdout
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THURSDAY, Thursday, Thu
MONDAY, Monday, Mon
WEDNESDAY, Wednesday, Wed
+-+-+-+-+-+-+-+-+-+-+-+-+
Thursday
Monday
Wednesday
https://ideone.com/kYOeKI
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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