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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. /* Name of the class has to be "Main" only if the class is public. */
  14. class Ideone
  15. {
  16. public static void main (String[] args) throws java.lang.Exception
  17. {
  18. ZoneId z = ZoneId.of( "Europe/Warsaw" ) ;
  19. ZonedDateTime zdt = ZonedDateTime.now( z ) ;
  20. Instant instant = zdt.toInstant() ; // Same moment, as seen in UTC, an offset of zero.
  21. long secondsSinceEpoch = instant.getEpochSecond() ; // Beware of data-loss, as fractional second is ignored.
  22.  
  23. System.out.println( "zdt.toString(): " + zdt ) ;
  24. System.out.println( "instant.toString(): " + instant ) ;
  25. System.out.println( "secondsSinceEpoch: " + secondsSinceEpoch ) ;
  26. }
  27. }
Success #stdin #stdout 0.18s 38608KB
stdin
Standard input is empty
stdout
zdt.toString(): 2020-02-09T21:14:56.417009+01:00[Europe/Warsaw]
instant.toString(): 2020-02-09T20:14:56.417009Z
secondsSinceEpoch: 1581279296