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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. import java.time.format.* ;
  10.  
  11.  
  12. /* Name of the class has to be "Main" only if the class is public. */
  13. class Ideone
  14. {
  15. 	public static void main (String[] args) throws java.lang.Exception
  16. 	{
  17.  
  18.     Year startYear = Year.of( 2016 );
  19.     Year stopYear = Year.of( 2018 );
  20.  
  21.     YearMonth startYm = YearMonth.from( startYear.atDay( 1 ) );
  22.     YearMonth stopYm = YearMonth.from( stopYear.atDay( 1 ) );
  23.  
  24.     int initialCapacity = ( int ) ChronoUnit.MONTHS.between( startYear.atDay( 1 ) , stopYear.atDay( 1 ) );
  25.     List< LocalDate > lastMondays = new ArrayList<>( initialCapacity );
  26.  
  27.     DayOfWeek dow = DayOfWeek.MONDAY;
  28.  
  29.     TemporalAdjuster ta = TemporalAdjusters.lastInMonth( dow );
  30.  
  31.     YearMonth ym = startYm;
  32.     while ( ym.isBefore( stopYm ) ) {
  33.         LocalDate endOfMonth = ym.atEndOfMonth();
  34.         if ( endOfMonth.getDayOfWeek().equals( dow ) ) {
  35.             lastMondays.add( endOfMonth );  // Collect our last-monday-of-this-month.
  36.         }
  37.         // Set up the next loop.
  38.         ym = ym.plusMonths( 1 );
  39.     }
  40.  
  41.     System.out.println( lastMondays );
  42.  
  43. 	}
  44. }
Success #stdin #stdout 0.14s 2184192KB
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[2016-02-29, 2016-10-31, 2017-07-31]
https://ideone.com/FqLWgK
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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