sort hashmap integer string by integer value java

Excited Elephant answered on February 23, 2023 Popularity 4/10 Helpfulness 3/10

answer sort hashmap integer string by integer value java

sort hashmap integer string by integer value java

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HashMap<String, Integer> map = new HashMap<String, Integer>();
map.put("a", 4);
map.put("c", 6);
map.put("b", 2);
Object[] a = map.entrySet().toArray();
Arrays.sort(a, new Comparator() {
    public int compare(Object o1, Object o2) {
        return ((Map.Entry<String, Integer>) o2).getValue()
                   .compareTo(((Map.Entry<String, Integer>) o1).getValue());
    }
});
for (Object e : a) {
    System.out.println(((Map.Entry<String, Integer>) e).getKey() + " : "
            + ((Map.Entry<String, Integer>) e).getValue());
}

Popularity 4/10 Helpfulness 3/10 Language java

Source: Grepper

Tags: hashmap integer java string

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Contributed on Feb 23 2023

Excited Elephant

0 Answers Avg Quality 2/10

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sort hashmap integer string by integer value java

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