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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. import java.time.* ;
  8. import java.time.temporal.* ;
  9.  
  10. /* Name of the class has to be "Main" only if the class is public. */
  11. class Ideone
  12. {
  13. 	public static void main (String[] args) throws java.lang.Exception
  14. 	{
  15. List<LocalDate> mondays = new ArrayList<>() ;
  16. List<LocalDate> wednesdays = new ArrayList<>() ;
  17. List<LocalDate> thursdays = new ArrayList<>() ;
  18.  
  19. LocalDate today = LocalDate.now( ZoneId.of( "America/Montreal" ) ) ;
  20. LocalDate twoMonthsLater = today.plusMonths( 2 );
  21.  
  22. LocalDate localDate = today ;
  23. while ( localDate.isBefore( twoMonthsLater ) ) {
  24. 	DayOfWeek dow = localDate.getDayOfWeek() ;
  25. 	 switch ( dow ) {
  26.             case MONDAY: 
  27.                 mondays.add( localDate ) ;
  28.                 break;
  29.  
  30.             case WEDNESDAY: 
  31.                 wednesdays.add( localDate ) ;
  32.                 break;
  33.  
  34.             case THURSDAY:
  35.             	thursdays.add( localDate ) ;
  36.                 break;
  37.  
  38.             default: 
  39.                 // Ignore any other day-of-week.
  40.                 break;
  41.         }
  42.         // Set-up the next loop.
  43.         localDate = localDate.plusDays( 1 ) ;
  44. }
  45.  
  46. System.out.println( "From " + today + " to " + twoMonthsLater + ":"  );
  47. System.out.println( "mondays: " + mondays ) ;
  48. System.out.println( "wednesdays: " + wednesdays ) ;
  49. System.out.println( "thursdays: " + thursdays ) ;
  50. 	}
  51.  
  52.  
  53. }
Success #stdin #stdout 0.16s 4386816KB
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Standard input is empty
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From 2017-10-17 to 2017-12-17:
mondays: [2017-10-23, 2017-10-30, 2017-11-06, 2017-11-13, 2017-11-20, 2017-11-27, 2017-12-04, 2017-12-11]
wednesdays: [2017-10-18, 2017-10-25, 2017-11-01, 2017-11-08, 2017-11-15, 2017-11-22, 2017-11-29, 2017-12-06, 2017-12-13]
thursdays: [2017-10-19, 2017-10-26, 2017-11-02, 2017-11-09, 2017-11-16, 2017-11-23, 2017-11-30, 2017-12-07, 2017-12-14]
https://ideone.com/CeLHtB
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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