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  1. import java.time.LocalDate;
  2. import java.time.format.DateTimeFormatter;
  3. import java.util.Arrays;
  4. import java.util.List;
  5. import java.util.Locale;
  6. import java.util.Objects;
  7. import java.util.stream.Collectors;
  8. import java.util.stream.Stream;
  9.  
  10. public class Main {
  11. 	public static void main(String[] args) {
  12. 		List<LocalDate> list = Arrays.asList(
  13. 									LocalDate.of(2021, 8, 1), 
  14. 									LocalDate.of(2021, 8, 2),
  15. 									LocalDate.of(2021, 8, 3), 
  16. 									LocalDate.of(2021, 8, 8), 
  17. 									LocalDate.of(2021, 8, 9), 
  18. 									LocalDate.of(2021, 8, 10),
  19. 									LocalDate.of(2021, 8, 11), 
  20. 									LocalDate.of(2021, 8, 12), 
  21. 									LocalDate.of(2021, 8, 13),
  22. 									LocalDate.of(2021, 8, 14), 
  23. 									LocalDate.of(2021, 8, 15), 
  24. 									null
  25. 								);
  26.  
  27. 		LocalDate today = LocalDate.now();
  28. 		LocalDate thirdDay = today.plusDays(2);
  29.  
  30. 		List<LocalDate> result = 
  31. 			Stream.concat(
  32. 				list.stream()
  33. 					.filter(Objects::nonNull)
  34. 					.filter(date -> !date.isBefore(today) && !date.isAfter(thirdDay)),
  35. 				Stream.concat(
  36. 					Stream.of(today),
  37. 					list.stream()
  38. 						.filter(Objects::nonNull)
  39. 						.filter(date -> 
  40. 							date.isBefore(today) || date.isAfter(thirdDay)
  41. 						).sorted()
  42. 				)
  43. 			).collect(Collectors.toList());
  44.  
  45. 		DateTimeFormatter dtf = DateTimeFormatter.ofPattern("d-MMM-uuuu", Locale.ENGLISH);
  46.  
  47. 		result.forEach(e -> System.out.println(e.format(dtf)));
  48. 	}
  49. }
Success #stdin #stdout 0.12s 52880KB
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stdin
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Standard input is empty
stdout
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8-Aug-2021
9-Aug-2021
10-Aug-2021
8-Aug-2021
1-Aug-2021
2-Aug-2021
3-Aug-2021
11-Aug-2021
12-Aug-2021
13-Aug-2021
14-Aug-2021
15-Aug-2021
https://ideone.com/YOKIun
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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