개발일기 정답찾기

1. StringBuilder 이용 import java.util.ArrayList; import java.util.Scanner; class Main { public ArrayList solution(int n, String[] str){ ArrayList answer = new ArrayList(); for(String x : str) { String temp = new StringBuilder(x).reverse().toString(); answer.add(temp); } return answer; } public static void main(String args[]) { Main m = new Main(); Scanner sc = new Scanner(System.in); int n = sc.n..