diff --git a/src/main/java/com/booleanuk/core/Exercise.java b/src/main/java/com/booleanuk/core/Exercise.java
index e1485c3..c2c76b6 100644
--- a/src/main/java/com/booleanuk/core/Exercise.java
+++ b/src/main/java/com/booleanuk/core/Exercise.java
@@ -47,8 +47,12 @@ public HashMap<String, String> createPerson() {
          The method must return the value associated to the provided key from the HashMap created
          in the createPerson method
      */
+    public String getValue(String key) {
 
+        HashMap<String, String> map = createPerson();
+        return map.get(key);
 
+    }
 
     /*
         TODO: 2. Create a method named hasKey that accepts two parameters:
@@ -58,7 +62,11 @@ public HashMap<String, String> createPerson() {
          in the provided HashMap
      */
 
+    public boolean hasKey(HashMap<String, String> map ,String random) {
+
+        return map.containsKey(random);
 
+    }
 
     /*
         TODO: 3. Create a method named getValueOrDefault that accepts two parameters:
@@ -67,6 +75,11 @@ public HashMap<String, String> createPerson() {
          The method must use the string provided to return the integer contained in the provided HashMap,
          or -1 if the string provided is not a key in the HashMap
      */
+    public int getValueOrDefault(HashMap<String, Integer> map, String key) {
+
+        return map.getOrDefault(key, -1);
+
+    }
 
 
 
@@ -88,14 +101,20 @@ public ArrayList<String> buildSecretPhrase(ArrayList<Integer> numbers) {
         map.put(6712, "bass");
         map.put(7, "muse");
         map.put(96, "nice");
-        // Write your code below this comment...
 
+        // Write your code below this comment...
 
+        ArrayList<String> resultList = new ArrayList<>();
 
+        for (Integer number : numbers) {
+            if (map.containsKey(number)) {
+                resultList.add(map.get(number));
+            }
+        }
 
         // ...and above this comment
 
         // Change the return statement below to return your actual ArrayList
-        return new ArrayList<String>();
+        return resultList;
     }
 }