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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. /* Name of the class has to be "Main" only if the class is public. */
  12. class Ideone
  13. {
  14. public static void main (String[] args) throws java.lang.Exception
  15. {
  16.  
  17. Instant instant = Instant.now() ;
  18. int millis = instant.get( ChronoField.MILLI_OF_SECOND ) ; // Specify a `TemporalField` to be interrogated.
  19.  
  20. // Or, do the math yourself.
  21. long millis2 = ( instant.getNano() / 1_000_000L ) ;
  22.  
  23. System.out.println( "instant.toString(): " + instant ) ;
  24. System.out.println( "millis: " + millis ) ;
  25. System.out.println( "millis2: " + millis2 ) ;
  26.  
  27.  
  28.  
  29.  
  30. }
  31. }
Success #stdin #stdout 0.23s 34404KB
stdin
Standard input is empty
stdout
instant.toString(): 2018-01-18T20:12:02.483Z
millis: 483
millis2: 483