pig latin part 1

pig-latin.java

import java.util.Arrays;

/**
 * PigLatin
 */
public class PigLatin {
    static String convert(String word){
       // Your Code
        Character[] vowels = {'a','e','i','o','u'};
        char[] wordChars = word.toCharArray();

        int firstVowelIndex = -1;
        for(int i = 0; i < wordChars.length; i++){
            Character currentChar = wordChars[i];
            boolean isVowel = Arrays.asList(vowels).contains(currentChar);
            System.out.println(currentChar + " : " + isVowel);
            if(isVowel){
                firstVowelIndex = i;
                break;
            }
        }

        if(firstVowelIndex == 0){
            return word;
        }else if(firstVowelIndex > 0){

        } else {
            return word + "ay";
        }
    }

    public static void main(String[] args){
        System.out.println(convert("art").equals("art"));
        System.out.println(convert("vowel").equals("owelvay"));
        System.out.println(convert("nginx").equals("inxngay"));
        System.out.println(convert("hello").equals("ellohay"));
        System.out.println(convert("Dr").equals("Dray"));
    }
}