first commit

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

@@ -5,10 +5,21 @@ package rocks.zipcode.io.quiz3.fundamentals;
  */
 public class StringUtils {
     public static String capitalizeNthCharacter(String str, Integer indexToCapitalize) {
-        return null;
+
+        return  str.substring(indexToCapitalize).toUpperCase();
+
     }
 
     public static Boolean isCharacterAtIndex(String baseString, Character characterToCheckFor, Integer indexOfString) {
-        return null;
-    }
+
+         char [] chars = baseString.toCharArray();
+        for (int i = 0; i <chars.length ; i++) {
+
+            if (chars[indexOfString] == characterToCheckFor) {
+                return true;
+            }
+        }
+
+            return false;
+        }
 }

src/main/java/rocks/zipcode/io/quiz3/generics/ArrayUtility.java

@@ -12,19 +12,43 @@ public class ArrayUtility<SomeType> {
         this.array = array;
     }
 
+
+
+
+
     public SomeType findOddOccurringValue() {
+
+
+
+
+
+
+
         return null;
     }
 
     public SomeType findEvenOccurringValue() {
+
         return null;
     }
 
     public Integer getNumberOfOccurrences(SomeType valueToEvaluate) {
-        return null;
+        Integer count = 0;
+
+        for (int i = 0; i <array.length ; i++) {
+            if( array [i]  == valueToEvaluate){
+                 count ++;
+            }
+
+
+        }
+
+
+        return count;
     }
 
     public SomeType[] filter(Function<SomeType, Boolean> predicate) {
+
         return null;
     }
 }