A A
5. 리스트 정렬
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1. 정렬

Collections.sort(sumList); /* 정렬 */

 

 

 

2. 역순 정렬

1) Collections.sort(sumList, Collections.reverseOrder());
2) sumList.sort(Collections.reverseOrder());
3) Collections.sort(sumList);
   Collections.reverse(sumList);

 

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