썸네일
https://www.acmicpc.net/problem/10817
https://www.acmicpc.net/problem/1920
https://www.acmicpc.net/problem/11004
https://www.acmicpc.net/problem/11656
1. 초기화후 + 람다스트림(정렬+출력) 2.람다 스트림(초기화 + 정렬+ 출력)
https://www.acmicpc.net/problem/11652
https://www.acmicpc.net/problem/1940
[방법 1] Map + forEach 이용 [방법 2] String + forEach 이용
https://www.acmicpc.net/problem/1159
https://www.acmicpc.net/problem/11655
https://www.acmicpc.net/problem/2870
Map 정렬을 연습할 수 있는 문제다.https://www.acmicpc.net/problem/20920