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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.stream.* ;
  8.  
  9. /* Name of the class has to be "Main" only if the class is public. */
  10. class Ideone
  11. {
  12. 	public static void main (String[] args) throws java.lang.Exception
  13. 	{
  14. 		String arr[] = { "abc" , "def" , "mask😷" } ;
  15. 	    String arr2[] = Ideone.reverse( arr ) ;
  16.  
  17. 	    System.out.println( Arrays.toString( arr ) ) ;
  18. 	    System.out.println( Arrays.toString( arr2 ) ) ;
  19. 	}
  20.  
  21. 	public static String[] reverse( String[] array ) {
  22. 		Objects.requireNonNull( array , "Received null argument where an array of `String` was expected. Message # b5c03336-4b9e-4735-a054-16e43aac059e.") ;
  23.  
  24. 	    Stream< String > stream = Arrays.stream( array ) ;
  25. 	    String[] result =
  26. 	            stream
  27. 	            .map( ( String s ) -> new StringBuilder( s ).reverse().toString() )
  28. 	    	    .toArray(String[]::new) 
  29. 	    ;
  30.  
  31. 	    return result ;
  32. 	}
  33. }
Success #stdin #stdout 0.06s 34264KB
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Standard input is empty
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[abc, def, mask😷]
[cba, fed, 😷ksam]
https://ideone.com/0XBDLj
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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