- 문제설명 - 해결과정 - 솔루션 import java.util.*; class Solution { public int solution(String str1, String str2) { String lowerStr1 = str1.toLowerCase(); String lowerStr2 = str2.toLowerCase(); ArrayList union1 = makeUnion(lowerStr1); ArrayList union2 = makeUnion(lowerStr2); if(union1.size() == 0 && union2.size() == 0) { return 65536; } int crossSize = crossSection(union1, union2); int sumSize = union1.siz..
