Top K Frequently Mentioned Keywords - Company-specific OAs / Amazon OA

Problems
1

https://algo.monster/problems/top_k_frequently_mentioned_keywords

2

no js?

3

My solution to the leetcode link:

public List topKFrequent(String[] words, int k) {
List answer = new ArrayList();
Map<String, Integer> hm = new HashMap<>();

    for (int i = 0; i < words.length; i++) {
        String word = words[i];
        if(hm.containsKey(word)) {
            hm.put(word, hm.get(word) + 1);
        } else {
            hm.put(word, 1);
        }
    }
    
    PriorityQueue<Map.Entry<String, Integer>> pq = new PriorityQueue<>((a, b) ->         {
        if (a.getValue() == b.getValue()) {
            return a.getKey().compareTo(b.getKey());
        }
        return -a.getValue().compareTo(b.getValue());
    });
    
    pq.addAll(hm.entrySet());
    
    while(!pq.isEmpty() && answer.size() < k) {
        Map.Entry<String, Integer> item = pq.poll();
        answer.add(item.getKey());
    }
    return answer;
}