자바 Collectoins 을 내림차순으로 정렬

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Integer[] cubes = new Integer[] { 8, 27, 64, 125, 256 };
Arrays.sort(cubes, Collections.reverseOrder());

Read more: https://www.java67.com/2016/07/how-to-sort-array-in-descending-order-in-java.html#ixzz6MX60xZLb