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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.format.* ;
  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. System.out.println(
  16.  
  17. YearMonth // Represent the year and month, without a date and without a time zone.
  18. .from( // Extract the year and month from a `LocalDate` (a year-month-day).
  19. LocalDate // Represent a date without a time-of-day and without a time zone.
  20. .parse( // Get a date from an input string.
  21. "1/13/2012" ,
  22. DateTimeFormatter.ofPattern( "M/d/uuuu" ) // Specify a formatting pattern by which to parse the input string.
  23. ) // Returns a `LocalDate` object.
  24. ) // Returns a `YearMonth` object.
  25. .atEndOfMonth() // Determines the last day of the month for that particular year-month, and returns a `LocalDate` object.
  26. .toString() // Generate text representing the value of that `LocalDate` object using standard ISO 8601 format.
  27.  
  28. );
  29. }
  30. }
Success #stdin #stdout 0.16s 2184192KB
stdin
Standard input is empty
stdout
2012-01-31