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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. import java.util.stream.Collectors;
  7.  
  8. /* Name of the class has to be "Main" only if the class is public. */
  9. class Ideone
  10. {
  11. public static void main (String[] args) throws java.lang.Exception
  12. {
  13. List < String > inputs = List.of( "123" , "A1" , "B" ) ;
  14. List < String > haveText =
  15. inputs
  16. .stream()
  17. .filter(
  18. input -> input.codePoints().anyMatch( Character :: isLetter )
  19. )
  20. .collect( Collectors.toList() ) ; // .toList() in later Java.
  21. System.out.println( haveText ) ;
  22. }
  23. }
Success #stdin #stdout 0.11s 54292KB
stdin
Standard input is empty
stdout
[A1, B]