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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.Instant ;
  8. import java.util.List;
  9. import java.util.concurrent.ExecutorService;
  10. import java.util.concurrent.Executors;
  11. import java.util.concurrent.TimeUnit;
  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. 		System.out.println( "Starting. " + Instant.now() );
  19.  
  20.         ExecutorService es = Executors.newCachedThreadPool();
  21.  
  22.         List < String > messages = List.of( "aaaa" , "bbbb" , "cccc" );
  23.         for ( String message : messages )
  24.         {
  25.             es.submit(
  26.                     ( ) -> { System.out.println( message ); }
  27.             );
  28.         }
  29.  
  30. 		System.out.println( "Tasks submitted to executor service. " + Instant.now() );
  31.         try
  32.         {
  33.             Thread.sleep( TimeUnit.SECONDS.toMillis( 3 ) );
  34.         }
  35.         catch ( InterruptedException e )
  36.         {
  37.             e.printStackTrace();
  38.         }
  39.         System.out.println( "Done. " + Instant.now() );
  40.  
  41. 	}
  42. }
Time limit exceeded #stdin #stdout 5s 38624KB
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stdin
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Standard input is empty
stdout
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Starting. 2020-08-07T18:11:23.658905Z
aaaa
cccc
bbbb
Tasks submitted to executor service. 2020-08-07T18:11:23.722998Z
Done. 2020-08-07T18:11:26.724376Z
https://ideone.com/sE0YV8
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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