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Hanna Adenholm #133

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17 changes: 13 additions & 4 deletions src/main/java/com/booleanuk/core/Exercise.java
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Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,7 @@ public HashMap<String, String> createPerson() {
in the createPerson method
*/


public String getValue(String key) { return createPerson().get(key);}

/*
TODO: 2. Create a method named hasKey that accepts two parameters:
Expand All @@ -58,7 +58,7 @@ public HashMap<String, String> createPerson() {
in the provided HashMap
*/


public boolean hasKey(HashMap<String, String> map, String key) { return map.containsKey(key);}

/*
TODO: 3. Create a method named getValueOrDefault that accepts two parameters:
Expand All @@ -68,7 +68,11 @@ public HashMap<String, String> createPerson() {
or -1 if the string provided is not a key in the HashMap
*/


public int getValueOrDefault(HashMap<String, Integer> map, String key) {
if (map.containsKey(key))
return map.get(key);
return -1;
}

/*
TODO: 4. Complete the method below
Expand All @@ -90,12 +94,17 @@ public ArrayList<String> buildSecretPhrase(ArrayList<Integer> numbers) {
map.put(96, "nice");
// Write your code below this comment...

ArrayList<String> phrase = new ArrayList<>();

for(Integer num: numbers){
if (map.containsKey(num))
phrase.add(map.get(num));
}


// ...and above this comment

// Change the return statement below to return your actual ArrayList
return new ArrayList<String>();
return phrase;
}
}
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