import java.util.Arrays;
import java.util.List;

public class FifthExercise {

    public static void main(String[] args) {
        List<String> strings = Arrays.asList("Pawel", "Krzysztof", "Bartosz");
        String wordWithTheBiggestAmountOfLowerCaseLetters =
                findWordWithTheBiggestAmountOfLowerCaseLetters(strings);
        System.out.println(wordWithTheBiggestAmountOfLowerCaseLetters);
    }

    private static String findWordWithTheBiggestAmountOfLowerCaseLetters(List<String> strings) {
        String returnWord = "";
        int currentWordLowerCaseCount = Integer.MIN_VALUE;
        int counter;
        for (String wordToCheck : strings) {
            char[] chars = wordToCheck.toCharArray();
            counter = 0;
            for (Character character : chars) {
                if (Character.isLowerCase(character)) {
                    ++counter;
                }
            }
            if (counter > currentWordLowerCaseCount) {
                returnWord = wordToCheck;
                currentWordLowerCaseCount = counter;
            }
        }
        return returnWord;
    }
}