VowelUtils

src/main/java/rocks/zipcode/io/quiz3/fundamentals/VowelUtils.java

  */
 public class VowelUtils {
     public static Boolean hasVowels(String word) {
-        return null;
+        for (int i = 0; i < word.length(); i++) {
+            if (String.valueOf(word.charAt(i)).matches("[AEIOUaeiou]")){
+                return true;
+            }
+
+        }
+
+        return false;
     }
 
     public static Integer getIndexOfFirstVowel(String word) {
+        String check = "";
+        for (int i = 0; i < word.length(); i++) {
+            if (String.valueOf(word.charAt(i)).matches("[AEIOUaeiou]")){
+                return i;
+            }
+        }
         return null;
     }
 
 
     public static Boolean startsWithVowel(String word) {
-        return null;
+        if (String.valueOf(word.charAt(0)).matches("[AEIOUaeiou]")){
+            return true;
+        }
+        return false;
     }
 
     public static Boolean isVowel(Character character) {
-        return null;
+        if (String.valueOf(character).matches("[AEIOUaeiou]")){
+            return true;
+        }
+        return false;
     }
 }