/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
import java.util.stream.Collectors ;
 
/* 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
	{
        int targetCodePoint = "z".codePointAt( 0 ); // Get the code point assigned to the letter “z”, 122.
        List < String > inputs = List.of( "computers" , "information systems" , "zebra" );
        List < String > hits = new ArrayList <>( inputs.size() );
 
        // Loop each input.
        loopingInputs:
        for ( String input : inputs )
        {
            // Loop the code point of each character.
            int[] codePoints = input.codePoints().toArray();
            for ( int codePoint : codePoints )
            {
                if ( codePoint == targetCodePoint )  // If this character is our target letter “z” (they share the same code point number), then we have a match. Remember this word, and bail out of inner loop.
                {
                    hits.add( input );
                    break loopingInputs;
                }
            }
        }
 
        System.out.println( "hits = " + hits );
 
        // Alternate approach.
		System.out.println(
			List
				.of( "computers" , "information systems" , "zebra" )
				.stream()
				.filter( 
					input -> input.codePoints().anyMatch( codePoint -> codePoint == "z".codePointAt( 0 ) ) 
				) 
				.collect( Collectors.toList() )  // Or `.toList()` in later versions of Java.
		);
	}
}

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