백준 1924번 (2007년) 자바 Java11

문제 : 2007년

시간 제한 : 2 sec

메모리 제한 : 128 MB

 

 

import java.io.*;
import java.util.*;
 
public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        StringTokenizer st = new StringTokenizer(br.readLine());        
        int month = Integer.parseInt(st.nextToken());
        int date = Integer.parseInt(st.nextToken());
        Calendar now = Calendar.getInstance();
        now.set(Calendar.YEAR, 2007);
        now.set(Calendar.MONTH, month-1);
        now.set(Calendar.DATE, date);
        int week = now.get(Calendar.DAY_OF_WEEK);
        switch(week){
        case Calendar.SUNDAY:
            bw.write("SUN");
            break;
        case Calendar.MONDAY:
            bw.write("MON");
            break;
        case Calendar.TUESDAY:
            bw.write("TUE");
            break;
        case Calendar.WEDNESDAY:
            bw.write("WED");
            break;
        case Calendar.THURSDAY:
            bw.write("THU");
            break;
        case Calendar.FRIDAY:
            bw.write("FRI");
            break;
        case Calendar.SATURDAY:
            bw.write("SAT");
            break;
        }
        br.close();
        bw.close();
 
    }
}

Calender 클래스 제대로 안배워서 긴가민가했는데 

일일히 월마다 날짜넣기 귀찮아서 이것 저것 시도해보다가 됐다,,,

신기ㅋㅋㅋㅋㅋㅋ