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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.util.List;
  8. import java.util.stream.IntStream;
  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.  
  16. 		List < String > list = List.of( "😷Alice" , "Bob" , "Carol" );
  17. 		for ( String s : list )
  18. 		{
  19. 		    IntStream codePointsStream = s.codePoints();
  20. 		    int[] codePoints = codePointsStream.toArray();
  21. 		    if ( codePoints.length > 0 )
  22. 		    {
  23. 		        int firstCodePoint = codePoints[ 0 ];
  24. 		        int lastCodePoint = codePoints[ codePoints.length - 1 ];
  25. 		        System.out.println( Character.toString( firstCodePoint ) + "/" + Character.toString( lastCodePoint ) );
  26. 		    }
  27. 		}
  28.  
  29. 	}
  30. }
Success #stdin #stdout 0.1s 53088KB
comments (?)
stdin 
Standard input is empty
stdout 
😷/e
B/b
C/l
https://ideone.com/jtvN8y
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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