/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.stream.Collectors ;
 
import java.time.* ;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		System.out.println( "Bonjour. " + Instant.now() );
 
		NatoConverter natoConverter = new NatoConverter();
        List < String > result = natoConverter.convert( "Basil" );
        System.out.println( result );
	}
}
 
class NatoConverter {
    private static List < String > natoWords = List.of( "Alpha" , "Bravo" , "Charlie" , "Delta" , "Echo" , "Foxtrot" , "Golf" , "Hotel" , "India" , "Juliett" , "Kilo" , "Lima" , "Mike" , "November" , "Oscar" , "Papa" , "Quebec" , "Romeo" , "Sierra" , "Tango" , "Uniform" , "Victor" , "Whiskey" , "Xray" , "Yankee" , "Zulu" );
 
    public List < String > convert ( String input ) {
        return List.copyOf(
                input
                        .codePoints()
                        .mapToObj( this :: wordForCodePoint )
                        .collect( Collectors.toList () )
        );
    }
 
    public String wordForCodePoint ( int codePoint ) {
        if ( codePoint >= 65 && codePoint <= 90 ) {  // US-ASCII for A-Z (uppercase) characters are code points 65 to 90.
            return NatoConverter.natoWords.get( codePoint - 65 );  // Annoying zero-based index counting.
        } else if ( codePoint >= 97 && codePoint <= 122 ) {  // US-ASCII for a-z (lowercase) characters are code points 97 to 122.
            return NatoConverter.natoWords.get( codePoint - 97 );  // Annoying zero-based index counting.
        } else {
            return "INVALID CODE POINT: " + codePoint;
        }
    }
}

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