[코딩테스트] 2016년

 

 

풀이

 

import java.time.*;
import java.util.*;
class Solution {
    public String solution(int a, int b) {
        StringBuilder answer = new StringBuilder();
        
        LocalDate date = LocalDate.of(2016, a, b);
        DayOfWeek dayOfWeek = date.getDayOfWeek();
        int dayOfWeekNumber = dayOfWeek.getValue();
        switch(dayOfWeekNumber){
            case 1:
                answer.append("MON");
                break;
            case 2:
                answer.append("TUE");
                break;
            case 3:
                answer.append("WED");
                break;
            case 4:
                answer.append("THU");
                break;
            case 5:
                answer.append("FRI");
                break;
            case 6:
                answer.append("SAT");
                break;
            case 7:
                answer.append("SUN");
                break;
        }
        
        return answer.toString();
    }
}