B

/**
 * Write a description of class StringsAndThings here.
 * @author Taarush
 */
public class StringsAndThings{
    private String word;
    /**
     * Constructor for objects of class StringsAndThings
     * @param str is the String input
     */
    public StringsAndThings(String str){
        word = str;
    }
    /**
     * Counts how many of the characters in the string are not letters
     * @return the number of characters in the string are not letters
     */
    public int countNonLetters(){
       int counter = 0;
            for (int i = 0; i < word.length(); i++){
                if (Character.isLetter(word.charAt(i))){
                    counter = counter + 1;
                }
            }
        int nonLetters =word.length() - counter;
        return nonLetters;
    }

    /**
    Tests whether a letter is a vowel
    @param letter a string of length 1
    @return true if letter is a vowel
     */
    public boolean isVowel(String let){
        String stringToCheck = "aeiouyAEIOUY";
        return (stringToCheck.contains(let));
    }

    /**
     * Finds whether a word has more vowels or consonants
     * @return returns if the string has more vowels
     */
    public boolean moreVowels(){
        int k = 0;
        int vowels = 0,consonants = 0;
        boolean test = true;
        String testLetter = word.substring(k, k + 1);
        while(k < word.length()){
            if(isVowel(testLetter)){
                vowels = vowels +1;
            }
            else
            {
                consonants = consonants + 1;
            }
            k = k+1;
            {
                if(consonants > vowels){
                    test = false;
                }
            }
        }
        return test;
    }

    /**
     * Returns a string where each character in the phrase occurs once
     * @return the string mentioned
     */
    public String noDuplicates(){
        String str = "";
        for (int i = 0; i < word.length(); i++){
            if (str.contains(word.substring(i,i+1)) == false)
            {
                str = str + word.charAt(i);
            }
        }
        return str;
    }
}