André Velkov Janusev

src/main/java/com/booleanuk/core/Exercise.java

@@ -47,6 +47,9 @@ 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) {
+        return createPerson().get(key);
+    }
 
 
 
@@ -57,6 +60,9 @@ public HashMap<String, String> createPerson() {
          The method must return a boolean that represents whether the string provided exists as a key
          in the provided HashMap
      */
+    public boolean hasKey(HashMap<String, String> map, String string) {
+        return map.containsKey(string);
+    }
 
 
 
@@ -67,7 +73,10 @@ 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 string) {
+        int test = map.getOrDefault(string, -1);
+        return test;
+    }
 
 
     /*
@@ -90,12 +99,15 @@ public ArrayList<String> buildSecretPhrase(ArrayList<Integer> numbers) {
         map.put(96, "nice");
         // Write your code below this comment...
 
-
-
+        ArrayList<String> newList = new ArrayList<>();
+        for (int item : numbers) {
+            if (map.containsKey(item))
+                newList.add(map.get(item));
+        }
 
         // ...and above this comment
 
         // Change the return statement below to return your actual ArrayList
-        return new ArrayList<String>();
+        return newList;
     }
 }