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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. import java.time.temporal.* ;
  10. import java.time.chrono.* ;
  11. import java.time.zone.* ;
  12.  
  13.  
  14. /* Name of the class has to be "Main" only if the class is public. */
  15. class Ideone
  16. {
  17. public static void main (String[] args) throws java.lang.Exception
  18. {
  19.  
  20. ZoneId z = ZoneId.of( "America/Chicago" ) ;
  21. ZoneRules rules = z.getRules() ;
  22.  
  23. Instant now = Instant.now() ;
  24. ZonedDateTime zdt = now.atZone( z ) ;
  25.  
  26. ZoneOffset offset = rules.getOffset( now );
  27. boolean inDST = rules.isDaylightSavings( now );
  28.  
  29. System.out.println( "now.toString(): " + now ) ;
  30. System.out.println( "zdt.toString(): " + zdt ) ;
  31. System.out.println( "offset.toString(): " + offset ) ;
  32. System.out.println( "inDST: " + inDST ) ;
  33.  
  34. }
  35. }
Success #stdin #stdout 0.18s 38572KB
stdin
Standard input is empty
stdout
now.toString(): 2020-02-10T00:06:26.000116Z
zdt.toString(): 2020-02-09T18:06:26.000116-06:00[America/Chicago]
offset.toString(): -06:00
inDST: false