package KakaoIntern2020.P67256_키패드누르기; public class Solution { // 1 2 3 // 4 5 6 // 7 8 9 // * 0 # static String solution(int[] numbers, String hand) { StringBuilder answer = new StringBuilder(); Hand left = new Hand(3, 0, 'L'); Hand right = new Hand(3, 2, 'R'); char h = hand.equals("left") ? 'L' : 'R'; for (int i = 0; i < numbers.length; i++) { int cur = numbers[i]; switch (cur) { case 1: case ..