zad 11 co druga duza

public static String everyOtherLowerCase(String input) {
    input = input.toLowerCase();

    StringBuffer result = new StringBuffer("");

    for(int x=0; x<input.length(); x++) {
        Character c = input.charAt(x);

        if(x % 2 == 0) result.append(c);
        else result.append(Character.toUpperCase(c));
    }

    return result.toString();
}