Thomas Nielsen

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

@@ -48,6 +48,11 @@ public HashMap<String, String> createPerson() {
          in the createPerson method
      */
 
+    public String getValue(String key){
+        HashMap<String,String> personMap=createPerson();
+        return personMap.get(key);
+    }
+
 
 
     /*
@@ -58,7 +63,9 @@ public HashMap<String, String> createPerson() {
          in the provided HashMap
      */
 
-
+    public boolean hasKey(HashMap<String,String> hMap, String key){
+        return hMap.get(key)!=null;
+    }
 
     /*
         TODO: 3. Create a method named getValueOrDefault that accepts two parameters:
@@ -67,7 +74,14 @@ 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> hMap, String key){
+        if (hMap.get(key)!=null){
+            return hMap.get(key);
+        }
+        else{
+            return -1;
+        }
+    }
 
 
     /*
@@ -89,13 +103,23 @@ public ArrayList<String> buildSecretPhrase(ArrayList<Integer> numbers) {
         map.put(7, "muse");
         map.put(96, "nice");
         // Write your code below this comment...
+        ArrayList<String> passCode=new ArrayList<>();
+        for (int i=0; i<numbers.size(); i++){
+            if (map.get(numbers.get(i))!=null){
+                passCode.add(map.get(numbers.get(i)));
+
+            }
+
+        }
+
+
 
 
 
 
         // ...and above this comment
 
         // Change the return statement below to return your actual ArrayList
-        return new ArrayList<String>();
+        return passCode;
     }
 }