Java8 map value排序

    /**
     * Map value降序排序
     * @param map
     * @param <K>
     * @param <V>
     * @return LinkedHashMap
     */
    public static <K, V extends Comparable<? super V>> Map<K, V> sortByValueAscending(Map<K, V> map){
        List<Map.Entry<K, V>> list = new LinkedList<Map.Entry<K, V>>(map.entrySet());
        Collections.sort(list, new Comparator<Map.Entry<K, V>>(){
            @Override
            public int compare(Map.Entry<K, V> o1, Map.Entry<K, V> o2){
                int compare = (o1.getValue()).compareTo(o2.getValue());
                return -compare;
            }
        });

        Map<K, V> result = new LinkedHashMap<K, V>();
        for (Map.Entry<K, V> entry : list) {
            result.put(entry.getKey(), entry.getValue());
        }
        return result;
    }

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