[프로그래머스/Java] 가위 바위 보

-Code

import java.util.Arrays;
import java.util.stream.Collectors;

class Solution {
    public String solution(String rsp) {
        return Arrays.stream(rsp.split("")).map(Solution::rsp).collect(Collectors.joining());
    }

    public static String rsp(String s) {
        return s.equals("2") ? "0" : (s.equals("0") ? "5" : "2");
    }
}